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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1.–5. rezultāts no 100.
12. lappuse
... portion of air with which the space D , C , E , F , is filled , will tend , on the contrary , by its reaction to raise the piston again . This second force will be equal to the first , because in a gas , as well as in a fluid , the ...
... portion of air with which the space D , C , E , F , is filled , will tend , on the contrary , by its reaction to raise the piston again . This second force will be equal to the first , because in a gas , as well as in a fluid , the ...
27. lappuse
... portion of excavation or embankment be composed of any number of the solids named , the area of one end section will equal the sum of the areas of the bases or tops of those solids , the other end area the sum of their tops or bases ...
... portion of excavation or embankment be composed of any number of the solids named , the area of one end section will equal the sum of the areas of the bases or tops of those solids , the other end area the sum of their tops or bases ...
47. lappuse
... portion of the terrestrial magnetic force . By Carl Friedrich Gauss . • 4. Observations on the arrangement and use of the Bifilar Magnetometer . By Wilhelm Weber . 5. Contributions to our knowledge of Phytogenesis . By Dr. M. J. Schlei ...
... portion of the terrestrial magnetic force . By Carl Friedrich Gauss . • 4. Observations on the arrangement and use of the Bifilar Magnetometer . By Wilhelm Weber . 5. Contributions to our knowledge of Phytogenesis . By Dr. M. J. Schlei ...
64. lappuse
... portions of the surface of the lead which are between the moulds , may be varnished to pre- vent the deposition of the ... portion always remaining to prevent adhesion . Enough has been said to enable any one to repeat and follow up Mr ...
... portions of the surface of the lead which are between the moulds , may be varnished to pre- vent the deposition of the ... portion always remaining to prevent adhesion . Enough has been said to enable any one to repeat and follow up Mr ...
68. lappuse
... portion of which is the reservoir of ready formed silk , where it is found in the form of a skein , each thread being rolled up so as to occupy in the silk worm ( Bom- bex mori ) a space of only about a sixth part of the real length of ...
... portion of which is the reservoir of ready formed silk , where it is found in the form of a skein , each thread being rolled up so as to occupy in the silk worm ( Bom- bex mori ) a space of only about a sixth part of the real length 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.