In order to see whether the heat came out of the chips he compared the capacity for heat of the chips abraded by the boring bar with that of an equal quantity of the metal cut from the block by a fine saw, and obtained the same result in the two cases, from which he concluded that "the heat produced could not possibly have been furnished at the expense of the latent heat of the metallic chips."
On the addition, well stirred, of a small quantity of dilute sulphuric acid, a precipitate of sulphur slowly forms, and during its growth manifests exceedingly well the phenomena under consideration.
The electromotive force of each cell is i 07 volts and the resistance 3 ohms. The Fuller bichromate battery consists of an outer jar containing a solution of bichromate of potash and sulphuric acid, in which a plate of hard carbon is immersed; in the jar there is also a porous pot containing dilute sulphuric acid and a small quantity (2 oz.) of mercury, in which stands a stout zinc rod.
I had the previous winter made a small quantity of lime by burning the shells of the Unio fluviatilis, which our river affords, for the sake of the experiment; so that I knew where my materials came from.
They were a mob of marauders, each carrying a quantity of articles which seemed to him valuable or useful.
Such a unit is independent of gravity or of any other quantity which varies with the locality.
The mistletoe so extensively used in England at Christmas is largely derived from the apple orchards of Normandy; a quantity is also sent from the apple orchards of Herefordshire.
A " Geyser " is a very convenient form of apparatus for heating a quantity of water in a short time.
Iron.The iron-mines of France are more numerous than its coalmines, but they do not yield a sufficient quantity of ore for the needs of the metallurgical industries of the country; as will be seen in the table below the production of iron in France gradually increased during the 19th century; on the other hand, a decline in prices operated against a correspondingly marked increase in its annual value.
The department of Nord produces by far the greatest quantity, its average annual output in the decade 1895-1904
At Brisbane the fall is 50 in., and portions of the New South Wales coast receive a like quantity, but speaking generally the fall is from 30 in.
In diameter; the wood is strong, hard and close grained; the acorns are produced in great quantity, and are used by the Indians as food.
Now, we may select any definite quantity of work we please as our unit, as, for example, the work done in lifting a pound a foot high from the sea-level in the latitude of London, which is the unit of work generally adopted by British engineers, and is called the "foot-pound."
Thus the principle of Carnot involves the conclusion that a greater proportion of the heat possessed by a body at a high temperature can be converted into work than in the case of an equal quantity of heat possessed by a body at a low temperature, so that the availability of heat increases with the temperature.
That the quantity of heat to be got rid of may become very considerable is seen when it is considered that the energy of a load of 60 tons descending through 50 ft.
When there is no current the shutter covers the perforations and no light passes, but when a current traverses the wires they are depressed by electromagnetic action, carrying the shutter with them, and a quantity of light proportional to the current strength is admitted through the perforations.
In the case of the inductive mode of exciting the oscillations an important quantity is the coefficient of coupling of the two oscillation circuits.
The greatest quantity is produced in Lombardy, Piedmont, Venetia and Tuscany.
The island has a bad reputation for malaria, due to the fact that it offers a considerable quantity of breeding places for the Anopheles claviger, the mosquito whose bite conveys the infection.
The horsetails are remarkable for the large quantity of silica they contain in the cuticle (hence their value in polishing), which often amounts to half the weight of the ash yielded by burning them; the roots contain a quantity of starch.
Accordingly the quantity of movement in the universe, like its mover, can neither increase nor diminish.
Tobacco is grown extensively in southern Albania, especially near Berat and in the upper valley of the Viossa, but the quantity exported is small.
Napier may thus have been the first to use the expression "quantity less than nothing."
Some of them, like the Kreuzbrunnen and the Ferdinandsbrunnen, contain alkaline-saline waters which resemble those of Carlsbad, except that they are cold and contain nearly twice the quantity of purgative salts.
Nearly all the cable companies possess their own steamers, of sufficient dimensions and specially equipped for making ordinary repairs; but for exceptional cases, where a considerable quantity of new cable may have to be inserted, it may be necessary to charter the services of one of the larger vessels owned by a cable-manufacturing company, at a certain sum per day, which may well reach £200 to £300.
Cereal If 1,828 2,044 cultivation occupies the foremost 599 74,209 111,943 place in area and quantity though i68 2,966 2,715 it has been on the decline since f903, still representing, however, an)56 477,191 718,221 advance on previous years.
The quantity of beer is about the same, the greater part of the beer drunk being imported from Germany, while the production of artificial mineral waters has somewhat decreased.
There are no ruins, but a considerable quantity of debris; and the pre-Roman necropolis was partially excavated in 1882.
8) the copper strand is passed through a vessel A containing melted Chatterton's compound, then through the cylinder C, in which a quantity of gutta percha, purified by repeated washing in hot water, by facture.
Another method of charge, known as the " measured service rate," is de - signed to make the subscriber pay in proportion to the quality and quantity of the service he takes.