Filters Sentence Examples

Plants are the best natural air filters.

Taylor bag filters are generally used for clearing the melted liquor of its mechanical impurities.

In diffusion plants the milk of lime is added, in proper proportion, in the cells of the diffusion battery, and the chips or slices themselves act as a mechanical filter for the juice; while in the Sandwich Islands coral-sand filters have been employed for some years, in addition to the chips, to free the juice from impurities held in mechanical suspension.

In Germany very similar filters have also been used, pearl-quartz gravel taking the place of coral sand, which it closely resembles.

In the best days of the so-called Jamaica Trains in Demerara, three-quarters of a ton of coal in addition to the megass was burned per ton of sugar made, and with this for many years planters were content, because they pointed to the fact that in the central factories, then working in Martinique and Guadeloupe, with charcoal filters and triple-effect evaporation, 750 kilos of coal in addition to the megass were consumed to make woo kilos of sugar.

Any sand or heavy matter in suspension is allowed to fall to the bottom of the pan into the " sandbox " before the melted sugar is run off to the cloth filters.

In a refinery in Nova Scotia a system has been introduced by which a travelling crane above the bag filters lifts up any head bodily with all its bags attached, and runs it to the mud and washing tanks at the end of the battery, while another similar crane drops another head, fitted with fresh bags, into the place of the one just removed.

Innumerable forms of filters made with these and other materials were put on the market, and were extolled as removing impurities of every kind from water, and as affording complete protection against the communication of disease.

Examined from this point of view the majority of domestic filters were found to be gravely defective, and even to be worse than useless, since unless they were frequently and thoroughly cleansed, they were liable to become favourable breeding-places for microbes.

The filtering medium in this, as in other filters of the same kind, takes the form of a hollow cylinder or "candle," through the walls of which the water has to pass from the outside to the inside, the candles often being arranged so that they may be directly attached to a tap, whereby the rate of flow, which is apt to be slow, is accelerated by the pressure of the main.

But even filters of this type, if they are to be fully relied upon, must be frequently cleaned and sterilized, and great care must be taken that the joints and connexions are watertight, and that the candles are without cracks or flaws.

This provides for taking water from the Ohio river at a point on the Kentucky side opposite the village of California, Ohio, and several miles above the discharge of the city sewers; for the carrying of the water by a gravity tunnel under the river to the Ohio side, the water being thence elevated by four great pumping engines, each having a daily capacity of 30,000,000 gallons, to settling basins, being then passed through filters of the American or mechanical type, and flowing thence by a gravity tunnel more than 4 m.

This occurs with clear water as well as with turbid, and obviously arises mainly from the loss of plant food which occurs when water filters through or trickles over poor soil.

In February 1572 he forced on the kirk an order of bishops, " Tulchan bishops," filters through which the remaining wealth of the church trickled into the coffers of the state, or of the regent.

It is generally held that the practice of thus limiting families usually prevails, in the first instance, among the betteroff classes, and in time filters down, as "the gospel of comfort" is accepted by those of less resources, until the prolificity of the whole community is more or less affected by it.

Tests made for several successive years by means of culture media and sterile plates, demonstrated the perfect bacteriologic purity of the air, first drawn into the caverns through myriads of rocky crevices that served as natural filters, then further cleansed by floating over the transparent springs and pools, and finally supplied to the inmates of the sanatorium.

They have a false bottom, with cloth or gravel filters.

The cause of this choking of the pores is precisely the same as that described below in the case of sand filters.

Yet it cannot be too constantly urged that such filtration depends for its comparative perfection upon the surface film; that this surface film is not present when the filter is new, or when its materials have been recently washed; that it may be, and very often is, punctured by the actual working of the filters, or for the purpose of increasing their discharge; and that at the best it must be regarded as an exceedingly thin line of defence, not to be depended upon as a safeguard against highly polluted waters, if a purer source of supply can possibly be found.

In the best filters an automatic arrangement for the measurement of the supply to each separate filter, and for the regulation of the quantity within certain limits, is adopted, and the resistance at outflow is so arranged that not more than a certain head of pressure, about 22 ft., can under any circumstances come upon the surface film, while a depth of several feet of water is maintained over the sand.

This course can scarcely fail to introduce into the sand many bacteria, which may be washed through when the full working of the filters is begun; and it should not, therefore, be adopted when the source of the supply is known to be subject to human pollution.

It is therefore natural that attempts should have been made to construct filters which, while permitting the slow percolation of water, should preclude the passage of bacteria or their spores.

The fat is then drawn off the aqueous (gluey) layer, and strained through sieves or filters.

Platelet transfusion through negatively charged filters can also activate the contact system and give rise to significant hypotension in patients receiving ACE inhibitors.

We design our air filters to provide minimum restriction allowing high airflow into an engine.

Designs include linear phase filters, a wideband phase shifter, and chirp filters with fractional bandwidths exceeding 100% .

Filters must be situated in and not vignette the collimated beam [3.10, Sa] .

They installed high-energy air filters and stucco ceilings to cut down on odors and noise.

The effect of lower sulfur coal blends on the performance of electrostatic precipitators and fabric filters is also covered.

The HST image was made by combining images taken in four different color filters in order to create a three-color picture.

The spooling daemon uses the appropriate filters to print the data accordingly.

In 1986 further recognition was achieved with our work with bedside Leucocyte depletion filters.

The exhaust filters on red double-deckers, those icons of London streets, are in trouble for creating more smog.

High efficiency electrostatic precipitators or fabric filters can reduce particulate emissions to low concentrations.

The operator launched the filters with great fanfare last week, five months ahead of the mobile phone industry's self-imposed deadline.

High extinction polarizing filters for microscopy are preferable for polarization studies (a microscope dealer's own brand should be of good quality ).

For the most popular artifacts such as ceramic color standards and neutral density filters, streamlined procedures give a fast turn-around.

Buried up lighters with dichroic filters are installed at the base of each column along the length of the colonnade.

But filters are n't foolproof - sites and users can get round them - so do stay involved.

High quality pre-amp with variable gain control and band pass filters to minimize interference.

Spammers are now publishing their own SPF records to help themselves appear more legit and to increase chances of bypassing any existing filters.

The new STX specification provides the prospect of being able to write SAX filters without needing to do low-level Java coding.

Its combination of permanent lubricity and high hardness enabled filters to be easily released and significantly extended the life of the molds.

Whiskers This first image of the ' Whiskers ' slide was taken at 25x magnification using crossed polar filters.

Especially due to the fact that these search engines and the rigorous ranking filters they use to spit out search results change almost monthly.

Narrow bandpass filters also take out sky glow emission lines which also helps to improve the visual contrast of very faint nebulae.

The kidney contains millions of small filters called nephrons.

Denitrification filters convert nitrate to nitrogen gas, the bacteria in such filters are anaerobic.

For long distance off-road events, two double-size remote mounted filters would be best.

It is then pushed at high pressure through filters in a process described as reverse osmosis.

In effect, the people who are directly exposed to a flatulence outburst become unwitting air filters.

Filters that are in working order catch paper dust and destroy ozone.

The absorbing pigments are added to organic filters in the bulk product.

A cavalcade of overstuffed SUVs filters back through bridge and tunnel trailing Kate Spade beach bags and pedigree pooch accouterments.

Then there are dark-field stops, and colored filters for optical staining of the transparent protists I like to observe.

I've developed a variety of data smog filters myself over the years.

The sun filters tho the leaves, creating dappled sunshine on the three figures.

Although lauter tuns are widely employed for wort separation, some large-volume brewers prefer mash filters.

The vertical service columns are yellow, and white perforated steel wall panels protect the filters for a displacement ventilation system.

The filters in the splitter also isolate the ADSL transceiver from the customer premise copper wiring.

In Mexico filters filled with dry powdered megass have been found very efficient for removing the large quantity of impurities contained in the juice expressed from the very vigorous but rank canes grown in that wonderfully fertile country, but unless constant care is taken in managing them, and in changing them at the proper time, there is great risk of inversion taking place, with consequent loss of sugar.

The product is extracted using a series of filters and centrifuges and purified by chromatography.

Very old dimmers have been known to not have such EMC filters making them prime candidates for emitting radio frequency interference too.

In developed countries self-cleaning filters are available with a fine mesh screen (typically 0.4mm).

In his description he included a plan of the filter at Paisley where self-cleaning filters had been erected.

Like his tribespeople, the shaman medicine man wasnât able to see past the filters of his cultural conditioning.

I 've developed a variety of data smog filters myself over the years.

Spam filters can also knock good design out of e-mails which makes brand building a problem.

This stands in marked contrast to oil and fuel filters where there is a relatively large amount of information regarding filtration requirements and capabilities.

I have just ordered a step-up ring from 49mm to 72mm to allow me to try to use my larger filters.

Racks are subsonic filters and should really be thought of as an essential component in any Stereo or Home Cinema system.

Syncretism results from filters which block certain feature combinations at the level of syntax; in its place an adjusted feature bundle is formed.

The 3-D digital comb filters are at least an order of magnitude more complex than the previous generation of comb filters.

The Negative Feedback Checker basically filters out all the positives so you dont have to go thru pages of results to find the negs.

Paxman supplied well over thirty rotary vacuum filters for processing titanium dioxide.

Omega also has a powerful concept of input and output filters to allow the user to work with existing transliteration schemes, etc.

More advanced delay lines can perform a filtering or signal processing function and are so called delay line transversal filters.

The filters are also being considered for use in tunable laser sources.

Our carbon filters are fine, but we should definitely replace the reverse osmosis units soon or we'll run out of drinkable water.

We also recommend vacuuming all air ducts and changing filters in air conditioners and furnaces.

This will make it unnecessary to buy and use paper filters.

Water filters to reduce lead, chlorine, and other impurities in ice and drinking water.

Air filters for the tanks need to be changed annually.

Filters. Using a solar filter will diminish unnatural light so you can view objects better.

In these pumps are filters that need to be replaced about every 14-18 months.

These stresses are revealed when the light filters through the polarized lens.

Several filters allow users to refine product searches by price, merchant rating, brand, and more.

If the liver you are serving your feline friend is not organic then you should keep in mind that the liver filters out the toxins in the things that go into the body.

Filters must be replaced, and this creates an ongoing expense.

Filters often help reduce the smell of cat feces and urine after your cat uses the litter, so you may want to consider purchasing a box lid that has this feature.

Replace air filters to save up to 10 percent on gas mileage and to protect your engine.

Clean air filters and oil will help a car run more efficiently.

The Filtrete Fast Flow Filter in the water station lasts longer than traditional water pitchers, filtering two and a half times more water than traditional pitcher filters and up to 100 gallons of water.

The problem is that trees actually remove carbon dioxide from the atmosphere and act as living air filters.

Change your Furnace Filters -- It's a good idea to change your furnace filters at least once a month for maximum efficiency and fuel savings, but make sure that you start the season with new filters.

The mild climate allowed Wright to design the home to be lit mostly by natural light, which filters through a canvas and redwood roof.

Spray Nose Filters are great whether you do airbrush tanning at home or in a salon.

Formerly, Yahoo used filters to change certain words into others.

Open chat includes word filters and moderators.

Visit Redbubble.com to browse the thousands of available designs, using the provided filters to narrow your search.

Consider the use of filters for dramatic effect, such as neutral density filters or a polarizer.

While it is beneficial to have external lighting, backdrops, and filters, it is not necessary to drop a bundle of money on these photo extras to capture cute shots of kids.

Suitable for beginners as well as advanced photographers, Pixia provides the ability to work with layer masks, artistic filters, and other enhancement tools.

Filters render artistic effects, distortion, blurriness, sharpness, noise removal, and lighting effects, among others.

You could also experiment with different colored filters or shooting in black and white.

Professional photographers with access to filters can use them to soften the appearance of a model's skin.

Beginner users can take advantage of its one-click photo enhancement features, and advanced users have professional tools for adding borders, blending photos, adding filters, removing objects, and using photo makeover tools.

Some of the topics covered include aperture, shutter speed, camera filters, and studio lighting.

There are also several digital frames and fun image editing filters you can use to give your photos some extra pizzazz.

Although technically not a decoration, a smoke machine producing eerie fog filters the light and creates a graveyard theme.

One of the best-known student references, the College Board, offers a scholarship search that filters opportunities from more than 2,000 sources.

Universities.com offers a fairly extensive directory of Ph.D. programs, eLearners provides a list of accredited programs from 25 institutions, and the U.S. News University Directory filters degrees by category and subject.

Use it as one tool, but don't be afraid to consider other filters and resources that may be just as helpful.

Be sure to change your filters on a regular basis.

In addition to organic mattresses, bedding, and linens, the store also offers organic carpet, cleaning supplies, candles, paint, furniture, clothes, water filters, totes, and more.

That's a lot of words for what's basically a mask that filters out and removes lead particles from the air around you.

Extra air and oil filters, windshield wiper blades and washer fluid.

Change your oil, oil filters and air filters frequently.

Most experts recommend changing these filters every 50 to 100 miles.

If you do need to drive, you are advised to do so slowly, all the while changing the appropriate filters.

Stuffiness and sneezing can often be helped by replacing the filters in the machine.

Bacteria filters are ideal for sleep apnea patients who also suffer from allergies.

That oil filters out the UV rays and prevents the damage from occurring.

Photographers also use infrared filters to achieve unusual and interesting photographic effects.

The Maui Jim polarized filters absorb 99.9 percent of reflected glare.

Polarized lenses contain filters that help reduce glare and are great for those who are around water for either work or sports.

Serengeti's patented "Spectral Control System" selectively filters the various wavelengths of light, giving truer, clearer color perception.

The lenses have filters to block both UVA and UVB rays.

The wavelength and power of the lens filters should match those of the lasers in order to protect the eyes from harm.

Filters are frequently made of glass or polycarbonate.

Yellow provides high levels of contrast and filters out blue light, making them perfect for fishing in shallow water.

It filters out a lot of superfluous noise to distract you from finding wineries, restaurants, inns, and important spots.

First, aged red wines form sediment, which filters to the bottom of the bottle.

Also, avoid using water filters since the water that freezes in the filter will destroy it.

The plumbing system may eventually require the replacement of hoses, pumps, filters or sink and shower fixtures.

Items like sink water filters, toilet deodorizer, RV/marine toilet tissue and holding tank cleaner go on sale at camping supply retailers and mass merchandise stores from time to time.

In both tests, the examiner uses a computer, monitor, amplifier, loudspeaker, stimulator and high-tech filters to see and hear how the muscles and nerves are responding during the test.

In both tests, the examiner uses a computer, monitor, amplifier, loudspeaker, stimulator, and high-tech filters to see and hear how the muscles and nerves are responding during the test.

In hemodialysis, the blood flows out of the body into a machine that filters out the waste products and routes the cleansed blood back into the body.

They act like filters to trap bacteria and viruses entering the body through the mouth and sinuses.

Tonsils act like filters to trap bacteria and viruses.

The processor boosts the sound, filters out background noise, and turns the sound into digital signals.

Neutral density filters may also be held over the eye to aid in the diagnosis.

Some doctors recommend installing special filters in the house to remove dust and pollen from the air, removing carpets from the floors, or encasing mattresses and pillows with special covers to control dust mites.

This line also includes gentle ultraviolet filters to ward against sun damage and fading, helping extend the vibrancy of the hair's color.

This shampoo also contains UV filters that protect the hair from sunlight, making it another popular choice for individuals interested in caring properly for their hair through natural methods.

The pores act as a shading cloth, which in turns filters roughly half of the sun's light through the swimsuit.

Pure pressing filters out impurities and excess sugars, and leaves only the best juice for our consumers.

Krups fast touch coffee grinder is ideal for those who use machines with paper filters, and or those who are not making espresso.

Dyson utilizes washable and reusable HEPA filters with lifetime warranties, reducing the need to buy filters every few months.

The higher end models offer HEPA filters and come with extended warranties and free service tune-ups.

This air is then recycled back into the room, purified through filters and much cooler than when it first entered.

Air filters have become popular household appliances precisely because they can help fight against these triggers for asthma and allergy symptoms.

A common ploy by the makers of some lesser air filters is to use a phrase such as "HEPA-type" instead of carrying an actual HEPA label.

You can check out reviews, compare models and prices, and even buy accessories and filters through the internet.

These retailers will carry the best and the latest Oreck vacuums, and salespeople will be able to provide you with information on obtaining accessories such as filters and hoses that might need to be replaced on your Oreck vacuum.

The American Lung Association and the EPA both recommend that consumers use HEPA air filters, rather than ionic filters.

Check how often the filters need to be replaced.

These filters can be expensive, so you should take them into consideration when budgeting for your air purifier.

Dust around and inside of the device's external filters regularly to prevent build-up from blocking the internal air filter.

You should also drain the water from the unit and clean the filters regularly.

Unlike traditional air purifiers, which require new filters on a regular basis, owning an Oreck purifier does not have this additional cost.

Furthermore, charcoal filters, scent refills and other accessories are readily available.

Because these purifiers have reusable filters, the maintenance costs are low, and the Truman Cell lifetime warranty helps defray costs even further.

Ionic purifiers do not have an internal fan that pushes the air through the filters; instead, they rely on an electrostatic system.

However the filters must be replaced on schedule and the device must be cleaned regularly, or it will start to operate poorly.

You may be curious about how and why HEPA filters were first created.

A HEPA filter is different from other types of filters.

Another plus for this filtering system is the lifespan of a HEPA filter is much longer than other filters.

It's easy to get confused when you typically see three sets of numbers on HEPA filters.

Some GE HEPA filters are permanent filters that can be washed clean and reused.

You can also purchase Miele vacuum bags in larger packages that also include micro-air filters and dust filters.

The Dust Buster has come to be nearly an icon for Black & Decker, and Dust Buster filters being more innovative than ever before.

New innovations for Dust Busters include cyclone technology, more robust filters, and better methods of charging the batteries.

Buying the name brand is sometimes not a necessity for other items, but in this case, it's in your best interest to stick with Dust Buster brand products.Not all Dust Buster filters are the same size.

Some are reusable cloth filters and others are disposable.

Replacement filters are readily found at various department stores, as well as from online resources.

Black & Decker VF48 Dust Buster Replacement Filter - Including two bags, the VF48 is one of the more common filters.

To assure optimal suction for your handheld cordless vacuum, replace your filters often.

Black & Decker HVF20 Replacement Filters - The HVF20 offers superior performance and economical pricing.

Bear in mind that changing your filters on a regular basis will help to keep your vacuum performance outstanding.

The filters are easily changed when they require it.

Black & Decker filters are generally very sturdy and long lasting.

The filters usually slide into the machine, or lie inside it and are easily removed and replaced.

Microwave oven air filters cannot be cleaned, and a replacement is necessary if it is damaged.

Available products include air purifiers, allergen reduces, replacement filters and odor eliminators.The garment care product line helps you keep clothes looking professional and stylish.

Hamilton Beach water filters and air purifiers sometimes need replacement filters.

This is because debris builds up in the filters as the products filter the water and air.

If you need to replace your air care product parts, Hamilton Beach offers air purifier replacement filters, air purifier replacement bulbs and Febreze TrueAir replacement filters.

You can also buy allergen reduce replacement filters and humidifier replacement filters.

Available replacement parts include water filters, blender gaskets, blender screw cap, coffee maker carafe, blender motor brush, blender jar and blender O-ring seal.

Best Buy, better known for its movies, music and computer products, sells replacement water filters for Hamilton Beach coffee makers.

According to Department of Energy standards, HEPA filters should remove at least 99.97 percent of the air particles that are 0.3 micrometers in size.

The reason that ionic air purifiers with HEPA filters are ideal for people with allergies is because of this ionizing technology.

Clear out any debris you find and then check the vacuum's filters.

If the filters are caked over with dust, remove them and take them outside to clean them.

Put the filters and the bag or container back into the vacuum.

From outstanding coffee makers to Brita water filters, Braun brings innovation and functionality to all of their products and the MultiMix M880 is no different.

Hepa filters have also been added to the air intake on some models and Ecoquest's new models now come with a three-year warranty.

These appliances have filters that collect a large percentage of the particles, leaving the room cleaner than a standard air ionizer.

Online reviews state that the Oreck XL is easy to use and it has one of the most efficient filters on the market.

Replacing your Black and Decker Dust Buster filters will not only help improve the suction of your hand-held vacuum, but it will also help prolong the life of its motor.

Black and Decker recommends that users replace the filters on their Dust Busters approximately every six to nine months depending on frequency of use.

Black and Decker Dust Buster filters are available directly from the manufacturer or one of its authorized dealers.

With many popular filters costing less than five dollars, it may be a good idea to buy more than one so you'll always have a spare filter ready to go when you need it.

The cool mist humidifiers range from small to large room sizes and have optional features such as digital thermostats, permanent filters and Antimicrobial product protection.

Of course, it's not an essential feature because True HEPA filters only need replacing once a year, but it's still a handy feature if you're not one to keep up on such things.

However, no vacuum lasts forever and Kenmore vacuums are just as prone as other models to suffer from common problems like clogs, broken belts, broken light bulbs, ruined air filters and worn brush rolls.

Are you looking for a Miele vacuum filter?If so,Miele makes several types of filters that can reduce airborne allergens, trap particles and make the air you breathe in your home cleaner and healthier.

Many of the vacuum cleaners made by Miele are designed to use filters that can absorb odors, trap airborne particles and allergens and simply make the air in your home cleaner.

It consists of two filters that protect the motor and remove particles from the air.

MieleStore.com carries a complete selection of filters to fit all models of vacuums.

Miele vacuum cleaner filters can also be found on many online sites including Amazon, Total Vac and Go Vacuum.

In addition, there are many local vacuum and hardware stores that may carry a selection of filters to fit your specific model.

Predominantly known for coffee, coffee filters and coffee makers in the United States, Melitta has a global presence with a range of other products like vacuum bags, air cleaners, humidifiers, foils and wraps and cleaning products.

Paper filters produce cleaner, smoother and better tasting coffee than permanent filters.

To refine the wax further, the melted wax can be poured through filters.

Natural candle wax can easily be cleaned by heating the wax gently and pouring it through filters.

Despite the numerous warnings of such scams, Nigerian email scams remain popular even with spam filters and increased security in email.

Over-active spam filters, emails going missing, messages being deleted and more can stop an announcement from being read.

Parental controls and filters can be purchased and downloaded from many sites for Internet safety.

Kids will enjoy the easy interface, and parents will love that the site filters out inappropriate search results.

Ask Jeeves for Kids (Ask for Kids) filters any inappropriate sites from their search results, so parents can be assured that their kids are protected from clicking a link to unsuitable subject matter.

Parents should install nanny filters and keep the computer in the same room they will be in most of the time to help protect children.

As a precaution, many parents choose to use filters and blockers on standard search engines.

There are some very high quality free filters, such as K-9 Web Protection that can block harmful sites.

Without filters, the camera can capture them as they manifest and move.

Change your vehicle's oil and air filters on a regular basis.

Many engines fail due to low or no oil from infrequent or no changes and bad air or fuel filters.

Finally, remember to open your windows and change your air filters.

The best drying towel is a lint free microfiber cloth, newspaper, or coffee filters.

Be sure to change the filters on your HVAC as often as recommended by the manufacturer and dust the registers semi-annually.

Separate coffee filters and dunk them into food color baths.

Remove filters and let dry on newspaper.

Once filters are dry, glue them randomly onto the wreath form, making sure it's completely covered.

There's no need to be precise; bunch the filters with your fingers randomly to create a pleasing, rounded shape.

You'll need pipe cleaners, coffee filters, doll hair, and beads.

French press pots press the grounds down through the piping hot water and have a mesh screen that filters out large particles.

With drip-brewed coffee, the paper filters not only catch all those nasty coffee grinds that can ruin a cup of coffee but they also filter out many of the essential oils.

Fantasy art is something a bit different and can be considered fine art in the right context but is typically computer rendered or is refreshed canvas work with filters being applied.

Party posts are subject to approval before they go live which filters out superfluous or bogus events.

A rich moisturizer that filters UV rays to prevent overexposure to the sun, Nurturing Day Lotion uses fresh kiwi cells, grapeseed extract and pomegranate extract to moisturize dry skin and make it appear more youthful.

These sites will sometimes allow you to bypass filters at work or school.

Many sites have privacy filters from Friends Only profile viewing to stricter settings like those available with Facebook.

Proxies help you get around firewalls, web filters, and curious websites that want to gather information about their visitors' locations, web browsers, operating systems, and more.

The second most expensive part of a soldier's kit was the gas-mask and filters, and for the Army infantry it was as much a part of everyday wear as their belts or wool uniform jackets.

A common use of this tactic is by students who want to get around their high school filters so they can visit their MySpace or Facebook pages.

There is a constant game of cat-and-mouse going on between people who set up proxy servers designed specifically to get around filters and monitors, and those who try to shut them down, one by one.

Carmen changed filters and turned on the air conditioner for the summer.

He must have mortars, pots, filters, glasses and boxes clean and sweet.

The filtering works include 6 lime saturators, 2 mixing or softening tanks, 6 settling basins, 10 mechanical filters and 2 clear-water reservoirs.

The liquid is now run into neutralizing tanks containing sodium carbonate, and, after settling, the supernatant liquid, termed "light liquor," is run through bag filters and then on to bone-char filters, which have been previously used for the "heavy liquor."

This is filtered through fresh bone-char filters, from which it is discharged as a practically colourless liquid.

The clear, bright syrup coming from the bag filters passes to the charcoal cisterns or filters.

The cistern being thus packed and settled is closed, and the syrup from the bag filters, heated up to nearly boiling point, is admitted at the top until the cistern is quite full.

In addition to cash registers, the city's manufactured products include agricultural implements, clay-working machinery, cotton-seed and linseed oil machinery, filters, turbines, railway cars (the large Barney-Smith car works employed 1800 men in 1905), carriages and wagons, sewingmachines (the Davis Sewing Machine Co.), automobiles, clothing, flour, malt liquors, paper, furniture, tobacco and soap. The total value of the manufactured product, under the "factory system," was $31,015,293 in 1900 and $39,596,773 in 1905.

The vats are fitted with filters made of coco-nut matting and jute cloth supported on wooden frames.

In some cases the operation of filtration is performed for the sake of removing impurities from the filtrate or liquid filtered, as in the purification of water for drinking purposes; in others the aim is to recover and collect the solid matter, as when the chemist filters off a precipitate from the liquid in which it is suspended.

Through the time of both tyrants, he was, next to the actual rulers, the first man in Sicily; but of his record of his own times we have only what filters through the recasting of Diodorus.

The water from the melted snow forms a small lake at the bottom of the crater, from which it filters through fissures to the heated rocks below and thence escapes as steam or through other fissures to the mineral springs at the mountain's base.

The whole mass is now run into the filters, which are always constructed on the vacuum principle.

Such filters are not, and in the nature of things cannot be, worked with the precision and continuity of a laboratory experiment.

In the older filters it was usual to support this sand upon small gravel resting upon larger gravel, and so on until the material was sufficiently open to pass the water laterally to underdrains.

Both these filters arrest the organisms by purely mechanical action, and if the joints are water-tight and they receive proper attention and frequent sterilization, they both give satisfactory results on a small scale for domestic purposes.

By the use of such tanks, however, when the condition of the water demands it, and by passing the effluent water through sand filters when in good condition, the number of microbes is found to be reduced by as much as 97 or even 99%.