Journal of the Franklin InstitutePergamon Press, 1887 |
Other editions - View all
Common terms and phrases
acid alloys alumina aluminium amount angle apparatus appear battery Bessemer bronze candles carbon cent centre chloride color Committee containing copper cryolite cubic feet curve Delaware River diameter distance effect electric engineer equal equation Exhibition experiments force FRANKLIN INSTITUTE furnace gallons gases heat heat-rays horizontal hydrogen inches iron isothermal JOURNAL light manufacture matter metal method microscope object observations obtained ordinary oxide passing Perkiomen Creek Philadelphia phosphorus photograph pieces pig iron pig metal pipe plates Point Pleasant pounds practical present pressure prism produced Prof quantity rays reservoir sodium solution steam steel stereoscopic substance supply surface tannin taps and dies Tartrazin temperature thread tion Tohickon Creek tons tube United vapor velocity volume WAHL water-gas water-supply weight welding wheel Whitworth wire ατ
Popular passages
Page 502 - ... appropriations in aid of scientific work. This endowment is not for the benefit of any one department of science, but it is the intention of the trustees to give the preference to those investigations which cannot otherwise be provided for, which have for their object the advancement of human knowledge or the benefit of mankind in general, rather than to researches directed to the solution of questions of merely local importance.
Page 502 - for the advancement and prosecution of scientific research in its broadest sense, " now amounts to §26,000. As accumulated income will be available in December next, the trustees desire to receive applications for appropriations in aid of scientific work. This endowment is not for the benefit of any one department of science, but it is the intention of the trustees to give the preference to those investigations...
Page 157 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Page 92 - Principal Office, 119 South Fourth Street, Philadelphia. Branch Office, 605 Seventh St., Washington, DC Authors of "The American Patent System...
Page 502 - England ; 2. $150 to Samuel Rideal, Esq., of University college, London, England, for investigations on the absorption of heat by odorous gases ; 3. $75, to HM Howe, Esq., of Boston, Mass., for the investigation of fusible slags of copper and lead smelting ; 4.
Page 341 - Pyramid," says Mr. Fergusson, "without being struck with astonishment at the wonderful mechanical skill displayed in its construction. The immense blocks of granite brought from Syene — a distance of 500 miles — polished like glass, and so fitted that the joints can hardly be detected.
Page 245 - An act to amend an act to establish a State Weather Service of this Commonwealth for the purpose of increasing the efficiency of the United States Signal Service by disseminating more speedily and thoroughly the weather forecasts, storm and frost warnings for the benefit of the citizens of this State, and for the purpose of establishing and maintaining in each county thereof meteorological stations for the collection of climatic data, and making an appropriation therefor...
Page 260 - THE JAMES SMITH WOOLEN MACHINERY COMPANY, Works, 411 to 421 Race St., Philadelphia, Pa. WOOLEN MACHINERY, Including Machinery for the Preparation of Wool. ALSO CARD CLOTHING OF EVERY DESCRIPTION...
Page 129 - Q, undergo any indefinitely small change, so as to perform the indefinitely small amount of work d U. It is required to find how much of this work is performed by the disappearance of heat. Conceive Q to be divided into an indefinite number of indefinitely small equal parts, each of which is 3 Q. Each of those parts will cause to be performed the quantity of work...
Page 167 - Techno-Chemical Receipt Book : Containing several thousand Receipts covering the latest, most important, and most useful discoveries in Chemical Technology, and their Practical Application in the Arts and the Industries. Edited chiefly from the German of Drs. Winckler, Eisner, Heintze, Mierzinski, Jacobsen, Roller and Heinzerling, with additions by WM.