Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent InventionsFranklin Institute, 1840 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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Page 6
... solution of the important ques- tion to which the paper which I am now going to take up has given rise . 1543. Blasco de Garay . M. de Navarrete , published in 1826 , in the Baron de Zach's Astronomical Correspondence , the following ...
... solution of the important ques- tion to which the paper which I am now going to take up has given rise . 1543. Blasco de Garay . M. de Navarrete , published in 1826 , in the Baron de Zach's Astronomical Correspondence , the following ...
Page 19
... solution of the prob- lem of which the fruitless attempts of Savery had particularly shown the difficulty . Newcomen , and Cawley , solicited a patent . Savery objected that he was already in possession of an exclusive privilege with ...
... solution of the prob- lem of which the fruitless attempts of Savery had particularly shown the difficulty . Newcomen , and Cawley , solicited a patent . Savery objected that he was already in possession of an exclusive privilege with ...
Page 35
... solution by which its correctness may be ascertained . Having the bottom width given , if excavation , ( or top width , if embank- centre , on each side , = D and d re- E ment , ) E ; the depth at - from the = 2 spectively ; and the ...
... solution by which its correctness may be ascertained . Having the bottom width given , if excavation , ( or top width , if embank- centre , on each side , = D and d re- E ment , ) E ; the depth at - from the = 2 spectively ; and the ...
Page 63
... solution and the bubbles of nitrous gas evolved from the copper . Let the plate remain in it long enough for the ... solution of sulphate of copper , and the other with a saline or acid solution . The plate to be engraved is placed ...
... solution and the bubbles of nitrous gas evolved from the copper . Let the plate remain in it long enough for the ... solution of sulphate of copper , and the other with a saline or acid solution . The plate to be engraved is placed ...
Page 65
... solutions of reagents are used in the bottle for collecting the gas , the apparatus becomes still more appropriate for determining the presence of different gases in mixture . It is easy to increase the amount of the pre- cipitate by ...
... solutions of reagents are used in the bottle for collecting the gas , the apparatus becomes still more appropriate for determining the presence of different gases in mixture . It is easy to increase the amount of the pre- cipitate by ...
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ammonia amount apparatus applied arrangement atmosphere average bars bitumen boiler canal carbonic acid carriage cast iron cent Certificate of Honourable claim Clear-do Cloudy-do coal colour combination Committee consists construction containing copper cost cylinder deposited described Dew point diameter distance dollars effect employed equal exhibited experiments Fahrenheit feet Franklin Institute friction frustrum furnace glass heat Honourable Mention improvement inches inclined plane increase invention labour length lever lime liquid locomotive machine magnesia manner manufacture matter means metal miles mode motion nitric acid obtained operation oxide Papin passing patent Philadelphia piece pipe piston placed plate portion pressure produced puddling furnace purpose quantity railroads rails railway resistance revolving road rollers screw shaft side silver solution specimens steam engine stone stroke engine sulphate sulphuric sulphuric acid surface temperature tion tube valve vessel wages weight wheels white lead whole zinc
Popular passages
Page 115 - 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.
Page 287 - General, who is a member of the Cabinet of the President of the United States: but, like the other cabinet officers, receives only the moderate salary of 6000 dollars.
Page 98 - 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 25 - Whenever, through inadvertence, accident, or mistake. and without any fraudulent or deceptive intention, a patentee has claimed more than that of which he was the original or first inventor or discoverer...
Page 18 - 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.
Page 83 - A description and draught of a new-invented machine for carrying vessels or ships out of or into any harbour, port, or river, against wind or tide, or in a calm.
Page 305 - Now know ye, that in compliance with the said proviso, I, the said William Graham, do hereby declare the nature of the said invention, and the manner in which the same is to be performed...
Page 11 - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three quarters full of water, stopping and screwing up the broken end, as also the touchhole, and making a constant fire under it ; within twenty-four hours it burst, and made a great crack...
Page 25 - Office; and it shall thereafter be considered as part of the original specification to the extent of the interest possessed by the claimant and by those claiming under him after the record thereof.
Page 25 - The specifications and claim in every such case shall be subject to revision and restriction in the same manner as original applications are.