Journal of the Franklin InstituteFranklin Institute, 1878 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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acid American amount angle apparatus applied Aveling & Porter beam belt bituminous bituminous coal boiler bridge building cannel coal carbon cement cent Chemical circular Coleman Sellers construction cubic cylinder diameter duty engine evaporated Exhibition experiments explosion feet formula Franklin Institute friction furnace furnished Glass heat Henry Disston horizontal hydraulic improved inches increased invention iron Journal light lime locomotive machine machinery MANUFACTURERS Mass material mechanical metal Mill observations obtained Office operation passed PATENT Phila PHILADELPHIA pipe placed plate pound of coal practical pressure Prof proportion pulley pump Railroad rails resistance river road Scroll Saw seam of coal shaft silica stand lamp steam STEAM ENGINES STEAM HAMMERS steel strain Street stroke sulphur surface survey temperature thick tion tons traction engine tube U. S. Patent Office valve vegetation velocity vertical vessel weight wheels wood York
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Sida 373 - Coleman Sellers, in the chair. The minutes of the last meeting were read and approved. The Actuary submitted the minutes of the Board of Managers, and reported that, at...
Sida 120 - The following communication was addressed to the Select and Common Councils of the City of Philadelphia:— GENTLEMEN :—The undersigned...
Sida 90 - In order to give facility to the great object of the government I intend to possess the Lake of Nicaragua, which, for the present, may be looked upon as the inland Gibraltar of Spanish America. As it commands the only water pass between the oceans, its situation must ever render it a principal post to insure passage to the Southern Ocean, and by our possession of it Spanish America is divided in two.
Sida 216 - Any resident of North America who shall determine by experiment whether all rays of light, and other physical rays, are or are not transmitted with the same velocity."* The following conditions have been established for the award of this Premium : 1.
Sida 161 - Engineers, accompanying the annual report of the Secretary of War for the fiscal year...
Sida 216 - FOR PRACTICAL & ANALYTICAL CHEMISTRY, CHANT STREET, TENTH STREET BELOW MARKET, (Rear of St. Stephen's Church, Philadelphia.) ESTABLISHED IN 1636.
Sida 67 - I have found specimens which show that in the coal-seams themselves true woody tissues have sometimes been imbedded unchanged, and converted into structureless coal, forming, like the coniferous trees converted into jet in more modern formations, thin bands of very pure bituminous material. The proportion of woody matter in this state differs in different coals, and is probably greatest in those which show the least mineral charcoal; but the alteration which it has undergone renders it almost impossible...
Sida 245 - ... the number of pounds of water raised one foot high by the combustion of each hundred pounds of coal: KIND or COAL.