Journal of the Franklin InstituteFranklin Institute, 1851 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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Results 1-5 of 88
Page 19
... piston and rod that acts upon the press , as herein substantially set forth . " 51. For Improvements in Screw Threading Machines ; Thomas J. Sloan , City of New York , November 26 . " My present improvements relate to the method of ...
... piston and rod that acts upon the press , as herein substantially set forth . " 51. For Improvements in Screw Threading Machines ; Thomas J. Sloan , City of New York , November 26 . " My present improvements relate to the method of ...
Page 24
... piston passing horizontally through the boiler on the designed water line , and working through short cylinders placed on opposite sides of the boiler , so that the piston shall work steam tight on both sides of the communications ...
... piston passing horizontally through the boiler on the designed water line , and working through short cylinders placed on opposite sides of the boiler , so that the piston shall work steam tight on both sides of the communications ...
Page 39
... piston is 13 inches from the end of the cylinder , and continues open until the piston has completed its full stroke , and has come back 13 inches , when the first exhaust valve is closed , and the second , communicating with a ...
... piston is 13 inches from the end of the cylinder , and continues open until the piston has completed its full stroke , and has come back 13 inches , when the first exhaust valve is closed , and the second , communicating with a ...
Page 44
... piston . It is also dangerous to work beam engines under heavy pressures of steam , unless the motive parts are made more than usually heavy and strong - generally 2 times the nominal power is the usual practice . I know one or two ...
... piston . It is also dangerous to work beam engines under heavy pressures of steam , unless the motive parts are made more than usually heavy and strong - generally 2 times the nominal power is the usual practice . I know one or two ...
Page 50
... piston . It will at once be seen , that unless all the assumptions of Mr. I. are strictly correct , the two per cent . which he claims may be dissipated at once , and the balance may be against him rather than in his favor . But ...
... piston . It will at once be seen , that unless all the assumptions of Mr. I. are strictly correct , the two per cent . which he claims may be dissipated at once , and the balance may be against him rather than in his favor . But ...
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action angle apparatus applied arrangement attached axis bituminous blades blast blast furnace boiler carriage cast iron cent centre centrifugal force chord circuit claim therein coal combination condenser connected connexion construction Coulaine cubic curved cutters cylinder deflexion diameter distance effect electric telegraph electricity engine equal experiments feet flues force frame Franklin Institute furnace generatrix gutta percha heat Improvement increased indicator diagrams invention consists Journal length lever machine magnet manner mastic material means metal miles motion operation paddle passing patent pipe piston placed plane plate present pressure produced propeller proportion pump purpose rails railway revolutions per minute roadway rollers screw shaft side slide spring square inch steam steam engine steamers Stoves stroke substantially as described surface tangential angle telegraph temperature thickness tion tons tube valve velocity vertical vessel weight wheel wire wrought iron York