Journal of the Franklin InstituteFranklin Institute, 1841 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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1.–5. rezultāts no 65.
33. lappuse
... colour becomes somewhat grey . When unaltered they dissolve in dilute acid with much effervescence of carbonic acid gas , and a few hardly appreciable gelatinous flocks remain undissolved . These latter , on being collected and washed ...
... colour becomes somewhat grey . When unaltered they dissolve in dilute acid with much effervescence of carbonic acid gas , and a few hardly appreciable gelatinous flocks remain undissolved . These latter , on being collected and washed ...
50. lappuse
... colour of the powder assumed a yellowish hue from the resin . Being filled into a cartridge for a hole sixteen inches deep and one inch in diameter , bored in a granite block of great hardness , and two and a half feet long , two feet ...
... colour of the powder assumed a yellowish hue from the resin . Being filled into a cartridge for a hole sixteen inches deep and one inch in diameter , bored in a granite block of great hardness , and two and a half feet long , two feet ...
53. lappuse
... colours , and the solidity of its metallic decorations . Nothing more beautiful and splendid than our window glass ; -it surpasses that of the ancients , so justly extolled . The manufacture of flint and crown glass by a systematic ...
... colours , and the solidity of its metallic decorations . Nothing more beautiful and splendid than our window glass ; -it surpasses that of the ancients , so justly extolled . The manufacture of flint and crown glass by a systematic ...
57. lappuse
... colour to the interposition of vapour or of vesicles of water , between the eye of the observer and the sun , and remarks that the same cause may produce other colours ; he had , for instance , once observed the sun to be of a salmon colour ...
... colour to the interposition of vapour or of vesicles of water , between the eye of the observer and the sun , and remarks that the same cause may produce other colours ; he had , for instance , once observed the sun to be of a salmon colour ...
59. lappuse
... coloured precipitate is thrown down , and the clear liquid is preserved for use . The paper which has been thus steeped is removed from the alcoholic solution and quickly drawn over the surface of dilute muriatic acid , prepared by ...
... coloured precipitate is thrown down , and the clear liquid is preserved for use . The paper which has been thus steeped is removed from the alcoholic solution and quickly drawn over the surface of dilute muriatic acid , prepared by ...
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3RD SERIES.-No acid alidade angle anthracite aperture apparatus applied arrangement attached boat boiler bolt bottom buckets Budweis canal carbonate cast iron cent centre claim Clear-do coal colour combination connected consists construction copper cubic yards cylinder described desire to secure diameter distance dollars driving wheels effect to power engine experiments feet flues frame Franklin Institute furnace gate head heat horizontal improvement inches invention length letters patent lever lime machine manner matter means metal miles mode motion observed oleic acid operation overshot pass passengers patentee says Pennsylvania percussion cap piece Pig metal pipe piston placed plate present purpose quantity rail railroad railway ratio of effect revolving road roller screw secure by letters shaft side sliding steam steam engines steamboats stove sulphuric acid surface tion tons trees tube upper valve velocity vertical vessels weight wheel whole wood wrought iron York
Populāri fragmenti
196. lappuse - To gild refined gold, to paint the lily, To throw a perfume on the violet, To smooth the ice, or add another hue Unto the rainbow, or with taper-light To seek the beauteous eye of heaven to garnish, Is wasteful, and ridiculous excess.
116. lappuse - Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing steam-boilers from bursting, and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.
346. lappuse - And it shall be the duty of said judge, after a hearing of any such case, to return all the papers to the Commissioner, with a certificate of his proceedings and decision, which shall be entered of record in the Patent Office ; and such decision, so certified shall govern the further proceedings of the Commissioner in such case...
415. lappuse - ... without neglect or fault on his part, having" failed to obtain, from the use and sale of his invention, a reasonable remuneration for the time, ingenuity, and expense bestowed upon the same, and the introduction thereof into use...
205. lappuse - What we claim as our invention, and desire to secure...
414. lappuse - But before any inventor shall receive a patent for any such new invention or discovery, he shall deliver a written description of his invention or discovery, and of the manner and process of making, constructing, using, and compounding the same, in such full, clear, and exact terms, avoiding unnecessary prolixity, as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct...
193. lappuse - What I claim as my invention, and desire to secure by letters patent, is the manner in which I have arranged and combined the...
12. lappuse - 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 — "An improved Axle box," invented by Robert McWilliams and assigned to Samuel W.
97. lappuse - 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, two reflecting telescopes, made by Mr.
304. lappuse - Was it a soothing or a mournful thought, Amid this scene of slaughter as we stood, Where armies had with recent fury fought, To mark how gentle Nature still pursued Her quiet course, as if she took no care For what her noblest work had suffer'd there.