Of the less important minerals, Canada is the world's chief producer of asbestos and corundum.
The ores are principally magnetites (New York is the largest producer of magnetite ore among the states, producing about 45% of the total for the United States in 1907 and 1908), but red haematites occur in the N.
The state of Virginia is the chief producer, followed successively by Georgia, North Carolina, Colorado, Massachusetts, California, Missouri, New York, &c. From Indiana and Ohio a quantity of pyrites is obtained as a by-product in coalmining.
The quantity produced from 1845 Cop er the year in which the Lake Superior district became a producer, and in which the total product was only 224,000 lbup to 1908 was 13,106,205,634 lb.
As a producer of iron Russia nevertheless runs France neck and neck for the fourth place amongst the iron-producing countries of the world, her annual output having increased from 1,004,800 metric tons in 1891 to 2,808,000 in 1901 and to 2,900,000 in 1904.
Czechoslovakia is the only European State which can export sugar: it is the second largest beet-sugar producer in the world, having I some 500,000 ac. of beet under cultivation.
The largest producer is Spain, with upwards of 350,000 tons, including the cupriferous pyrites.
Gold-mining and quartz-mining are its principal industries, and in 1907 Nevada county's output of gold (104,J90.76 oz., worth $2,162,083) was second only to that of Butte county (134,813.39 oz., worth $2,786,840) in California; the county is the leading producer 1 Died the 21st of September, 1890, and Frank Bell became governor by virtue of his office as lieutenant-governor.
In 1879, Spain was the largest producer, but now ranks third.
(b) Both the producer gas and the air are heated before they enter the combustion chamber, as in the Siemens system of regenerative firing.
The United States is the gleatest lead producer and consumer in the world, its percentage of the total output and consumption averaging 30.4% and 32-5% respectively in the years 1904-1908.
In some works, the older method of melting the glass in large pots or crucibles is still adhered to, although the old-fashioned coal-fired furnaces have nearly everywhere given place to the use of producer gas and regenerators.
Where tariff duties are imposed solely for revenue, an equivalent excise tax is imposed within the country, so as to put the domestic producer precisely on the footing of his foreign G.
Some of the coal mined in eastern Kentucky is an excellent steam producer, especially the Jellico coal of Whitley county, Kentucky, and of Campbell county, Tennessee.
They were rivalled by Elkington of Birmingham, who secured the permanent assistance of at least one fine artist, Morel Ladeuil, the producer of the Elcho Challenge Shield.
Missouri is also the largest producer in the Union of tripoli and of barytes.
The weaving industry, introduced into the eastern counties by the kings invitation to Flemish settlers, was making England something more than a mere producer of raw material for export.
By analysis of the "producer" and "spent" gases this amount can be readily gauged.
Coke or anthracite is heated to incandescence by an air blast in a generator lined with fire-brick, and the heated products of combustion as they leave the generator and enter the superheaters are supplied with more air, which causes the combustion of carbon monoxide present in the producer gas and heats up the fire-brick baffles with which the superheater is filled.
Comparing the product of the United States with that of the world, the figures for the two respectively were 23,350 and I51,936 long tons in 1879, when the United States was second to both Spain (and Portugal) and Chile as a producer; 51,570 and 199,406 long tons in 1883, when the Unites States first took leading rank; 172,300 and 334,565 long tons in 1895, when the yield of the United States first exceeded that of all other parts of the world combined; and 942,570,000 and 1,667,098,000 lb in 1908.
The Selkirks and Gold Ranges west of the Rockies, with their great areas of eruptive rocks, both ancient and modern, include most of the important mines of gold, silver, copper and lead which give British Columbia its leadership among the Canadian provinces as a producer of metals.
Sometimes the purpose of a gas-producer is attained in a very simple manner by lowering the grate of an ordinary fireplace so much that a layer of coal 4 or 5 ft.
Producer (Sectional Elevation).
This was the first of the many rich discoveries in the same district which have made Western Australia the chief gold-producer of the Australian group. In 1907 there were eighteen goldfields in the state, and it was estimated that over 30,000 miners were actively engaged in the search for gold.
With producer gas it is necessary to pre-heat both the gas and the air which is supplied for its combustion by passing both through heated regenerators (for an account of the principles of the regenerative furnace see article Furnace).
Thiselton-Dyer has pointed out, what is called "specific stability" is a familiar obstacle to the producer of novelties, but one which he frequently succeeds in breaking down by cultural and other methods.
This simple and inexpensive arrangement has the further advantage that the producer-gas is utilized immediately after its formation, without being allowed to cool down.
This arrangement, by which the gas was cooled down by the action of the air, acted as a'gas-siphon for drawing the gas out of the producer, but it has various drawbacks and has been abandoned in all modern constructions.
Which reminds me, you've got a ten o'clock today with your producer to plan out shooting for the next season, Ingrid said.
Tasmania is a gold producer to the extent of about 70,000 or 80,000 oz.
The drilling of a well is commonly carried out under contract, the producer erecting the derrick and providing the engine and boiler while the drilling contractor finds the tools, and is Drill ing the responsible for accidents or failure to complete the well.
The former experiment had been performed by Scheele and Priestley, who had named the gas " phlogisticated air "; Lavoisier subsequently named it oxygen, regarding it as the " acid producer " (OE, sour).
Gold was also found later in Lawrence county north of Custer, and the Homestake Belt in the former county has ever since been the chief producer in the state.
Of cannel coal Kentucky is the largest producer in the Union, its output for 1902 being 65,317 short tons, and, according to state reports, for 1903, 72,856 tons (of which 46,314 tons were from Morgan county), and for 1904, 68,400 tons (of which 52,492 tons were from Morgan county); according to the Mineral Resources of the United States for 1907 (published by the United States Geological Survey) the production of Kentucky in 1907 of cannel coal (including 4650 tons of semi-cannel coal) was 77,733 tons, and exclusive of semi-cannel coal the output of Kentucky was much larger than that of any other state.
In interpreting the phenomena observed in a spectroscope, it is necessary to remember that the instrument, as pointed out by Lord Rayleigh, is itself a producer of homogeneity within the limits defined by its resolving power.
In the early days of rotatory kilns producer gas was used as a fuel, but with little success; about 1895 petroleum was used in the United States with complete success, but at a relatively heavy cost.
Chile was the largest producer in 1869 with 54,867 tons; but in 1899 her production had fallen off to 25,000 tons.
Chile was once the largest producer of copper in the world, her production in 1860-1864 being rated at 60 to 67% of the total.
In the production of zinc New Jersey once took a prominent part; in 1907 the only producer was The New Jersey Zinc Company's mine at Franklin Furnace, Sussex county, with an output of 13,573 short tons, valued at $1,601,614.
The new Kessler furnace is a very ingenious apparatus, in which the fire from a gas-producer travels over the sulphuric acid contained in a trough made of Volvic lava, and surmounted by a number of perforated plates, over which fresh acid is constantly running down; the temperature is kept down by the production of a partial vacuum, which greatly promotes the volatilization of the water, whilst retarding that of the acid.
The primary air necessary for the partial combustion of the coke to "producer" gas enters between these bars.
For about 10 years Pennsylvania was the one great oil producer of the world, but since 1870 the industry has spread all over the globe.
Oil fields are being continually opened up in other parts of the world, and whilst America still maintains her position as the largest petroleum producer, the world's supplies are now being derived from a steadily increasing number of centres.
The United States, which ranked third with a production of 20,000 tons in 1850, maintained this annual yield, until 1870, when it began to increase; the United States now ranks as the chief producer; in 1900 the output was 253,000 tons, and in 1905, 3 1 9,744 tons.
Italy has been a fairly steady producer; the output in 1896 was 20,000 tons, and in 1905, 25,000 tons.
The Straits Settlements ranked as an important producer in 1870 with 2337 tons; it now supplies the greater part of the world's supply, contributing 46,795 tons in 1900, and over 60,000 tons in 1905.
Distant by road, and the New Almaden quicksilver mine (the greatest producer in California and long among the greatest in the world) is about 14 m.
The rock was found in much greater quantities at Rosendale, in Ulster county, in 1823, and the amount of this cement produced by New York rose to 4,689,167 barrels in 1899; the state is still the chief producer but only 947,929 barrels were made in 1908.
On the other hand, on many articles duties already high, but believed to be insufficient for the effective protection of the domestic producer, were raised; e.g., on finer woollens.
Mica, first mined at grafton|Grafton, Grafton county, in 1803, found also in the northern part of Merrimack county and in the north-western corner of Cheshire county in such quantities that for sixty years:New Hampshire was the largest producer of mica in the United States, is no longer an important product: in 1907 its value ($7227) was less than that of the mica produced in South Dakota, Alabama, North Carolina or Colorado.
Who is the chief producer and also the chief customer, knows little of the great towns, and expects the dealer to come to his own door.
In 1905 Maine held first rank among the states of the Union as a producer of granite, the value of the output being $2,713,795.
Under these conditions producer gas ceases to exist as a by-product, and the gases of the blow consist merely of the incombustible products of com plete combustion, carbon dioxide and nitrogen, the result being that more than three times / the heat is developed for the combustion of the same amount of fuel, and nearly double the quantity of water gas can be made per pound of fuel than was before possible.
A quartz schist, suitable for making whetstones and oilstones, was discovered in 1823 by Isaac Pike at Pike Station, Grafton county, and the Pike Manufacturing Company now owns and operates quarries outside this state also; in 1907 New Hampshire was the principal producer of scythe-stones in the United States, and the total value of whetstones made in 1907 (including the value of precious stones') was $59,870.
Alabama is the third great producer of the Union, and with the other two made up in 1907 more than four-fifths of the countrys total.
Of tungsten the United States was in 1907 the greatest producer in the world (1640 tons in a total of 6062).
Previous to this its people is chiefly known as the producer of a type of geometric pottery similar to the Dipylon ware of Athens.
From 3 to 5 lb of meal consumed results in an increase of i lb of live weight in a pig, which is the most economical meat producer on a farm.
Per_ia, the centre of the industry, is the largest producer of whisky and high-class wines of the cities in the United States.
The department of Santander, however, is the largest producer, and much of its output in the past has been placed upon the market as "Maracaibo," the outlet for this region being through the Venezuelan port of that name.
In actual practice the difference between the second and third methods is not very great since the fungus is the producer of the reproductive organs and generally the main constituent.
18 95, p. 945) has obtained metallic nickel from the Canadian mattes by first roasting them and then eliminating copper by the action of sulphuric acid, the product so obtained being then exposed to the reducing action of producer gas at about 350° C. The reduced metal is then passed into a "volatilizer" and exposed to the action of carbon monoxide at about 80° C., the nickel carbonyl so formed being received in a chamber heated to 180-200° C., where it decomposes, the nickel being deposited and the carbon monoxide returned to the volatilizer.