Journal of the Franklin InstitutePergamon Press, 1866 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415] |
Contents
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Common terms and phrases
66 date acid amount anchor-ice antimony apparatus applied Argand burner black copper boiler burner burning cable carbon carbonic acid cast iron cement cent chemical chloride coal coal gas color combustion compass construction containing cubic feet cubic foot cylinder diameter effect electric experiments explosive Fahr feet 6 inches fire flame FRANKLIN INSTITUTE furnace grains gray copper gun-cotton gunpowder gutta-percha heat hemp holes hour hydrogen increased india rubber Journal length light LII.-THIRD SERIES.-No lime London machine magnesium magnet manufacture mass material matte means mechanical melting Messrs metal miles mortar narrow gauge obtained oxide oxygen paper Patent PHILADELPHIA plates pounds practical precipitated pressure produced pump pyrites quantity railway roasted salinometer salt sand ship ship's silver slag solution speiss Steam Engine steel sulphate sulphur surface temperature tion tons tube vapor vessel weight wet meter wire wood
Popular passages
Page 259 - That the tables in the schedule hereto annexed shall be recognized, in the construction of contracts, and in all legal proceedings, as establishing, in terms of the weights and measures now in use in the, United States, the equivalents of the weights and measures expressed therein in terms
Page 259 - Act, it shall be lawful throughout the United States of America to employ the Weights and Measures of the Metric System...
Page 259 - State one set of the standard weights and measures of the metric system. Be it resolved by the Senate and House of Representatives of the United Status of America in Congress assembled, That the Secretary of the Treasury be, and he is hereby, authorized and directed to furnish to each State, to be delivered to the Governor thereof, one set of the standard weights and measures of the metric system for the use of the States, respectively.
Page 259 - July 28, 1866. (Order approved by the Secretary of the Treasury, April 5, 1893.) FOREIGN POSTAL RATES BASED ON METRIC WEIGHTS The postmaster General shall furnish to the post offices exchanging mails with foreign countries, and to such other offices as he may deem expedient, postal balances denominated in grams of the metric system, fifteen grams of which shall be the equivalent, for postal purposes, of one-half ounce avoirdupois, and so on in progression.
Page 144 - Made principally to aid in ascertaining the Comparative Economic Efficiency of Steam used with different measures of Expansion, and the Absolute Cost of the Power obtained therefrom in Weights of Fuel and Steam ; the Causes and Quantities of the Condensations in the Cylinder ; the Economic Effect of Steam Jacketing, and...
Page 72 - DRAWING. rE subscriber would respectfully inform his friends and the public, that he continues to give instruction in MACHINE, ARCHITECTURAL, TOPOGRAPHICAL, and LANDSCAPE DRAWING, and PAINTING in OIL and WATER COLORS. Day and Evening Classes at the office, and instructions given in SchooUand Families.
Page 399 - A piece of the ordinary sensitized paper, such as is used for photographic printing, when exposed to the action of the light for twenty seconds, at a distance of 2 feet from the reflector, was darkened to the same degree as was a piece of the.
Page 112 - Time being shall judge expedient, and from Time to Time after the Expiration of the aforesaid Period of Three Months Models of such further Multiples and Decimal Parts of the said Cubic Foot as the Lord High Treasurer or the said Commissioners shall from Time to Time think expedient, shall be carefully made, with proper Balances, Indices, and Apparatus, for testing the Measurement and Registration of Meters, and such Models shall be verified under the direction of the Lord High Treasurer or the said...
Page 266 - ... was the cause of those lamentable accidents. The great difficulties attending the purification of nitro-glycerine upon a practical scale, and the uncertainty, as regards stability, of the material, even when purified (leaving out of consideration its very poisonous character and its extreme sensitiveness to explosion by percussion when in the solid form), appear to present insurmountable obstacles to its safe application as a substitute for gunpowder.
Page 236 - In the ordinary process of photometry the standard used is a candle, defined by Act of Parliament as a " sperm of six to the pound, burning at the rate of 120 grains per hour.