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] |
No grāmatas satura
1.–5. rezultāts no 100.
16. lappuse
... operation . More- over , I do not think it necessary here to give a drawing of them : the rea- der can , without this assistance , form an exact idea of them if he will recall to mind that of Solomon de Caus and pay some attention to ...
... operation . More- over , I do not think it necessary here to give a drawing of them : the rea- der can , without this assistance , form an exact idea of them if he will recall to mind that of Solomon de Caus and pay some attention to ...
40. lappuse
... operation to elevate the standard of com- mon schools and academies to the highest point of philanthropic ambition ; but whoever reads attentively the volume before us must make the acknow- ledgment , however painful to his amor patriæ ...
... operation to elevate the standard of com- mon schools and academies to the highest point of philanthropic ambition ; but whoever reads attentively the volume before us must make the acknow- ledgment , however painful to his amor patriæ ...
52. lappuse
... operation of blowing it in a nould . " The manipulation for effecting this object is fully described , and a claim made to " the peculiar mode described of making a socket lamp in such a way as to unite the fount and peg of the lamp ...
... operation of blowing it in a nould . " The manipulation for effecting this object is fully described , and a claim made to " the peculiar mode described of making a socket lamp in such a way as to unite the fount and peg of the lamp ...
71. lappuse
... operation . If the saws be sharp and the iron hot , the seventy eight pound rails are cut through in twelve seconds . The rail on leaving the saws is placed in a groove planed in a thick cast - iron plate ; thus all warping is prevented ...
... operation . If the saws be sharp and the iron hot , the seventy eight pound rails are cut through in twelve seconds . The rail on leaving the saws is placed in a groove planed in a thick cast - iron plate ; thus all warping is prevented ...
76. lappuse
... operation of the condenser which has just been explained , was due to two circumstances , first to its containing cold water , and second that the re- maining space inside of it was void of elastic fluid . After the condensation of ...
... operation of the condenser which has just been explained , was due to two circumstances , first to its containing cold water , and second that the re- maining space inside of it was void of elastic fluid . After the condensation of ...
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ammonia apparatus applied arrangement atmosphere 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 described 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 iron labour length lever lime liquid locomotive machine magnesia manner manufacture matter means metal miles mode motion nitric acid obtained operation oxide Papin passing patent Pennsylvania Philadelphia piece pipe piston placed plate portion potash 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 wood zinc
Populāri fragmenti
115. 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.
289. lappuse - 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.
102. 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 a Solar Compass, invented by WM.
29. lappuse - 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...
22. 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.
83. lappuse - 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.
305. lappuse - 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...
11. lappuse - 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...
29. lappuse - 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.
29. lappuse - The specifications and claim in every such case shall be subject to revision and restriction in the same manner as original applications are.