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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Page 16
... screw or nut in the part A , for the purpose of clasping or firmly holding the auger shank between the ends of the parts A and D of the handle or stock , substantially in the manner herein described . " 36. For an Improvement in Copper ...
... screw or nut in the part A , for the purpose of clasping or firmly holding the auger shank between the ends of the parts A and D of the handle or stock , substantially in the manner herein described . " 36. For an Improvement in Copper ...
Page 19
... Screw Threading Machines ; Thomas J. Sloan , City of New York , November 26 . " My present improvements relate to the method of threading wood screws by a series of chasing operations , and for doing this on pointed screws . " Claim ...
... Screw Threading Machines ; Thomas J. Sloan , City of New York , November 26 . " My present improvements relate to the method of threading wood screws by a series of chasing operations , and for doing this on pointed screws . " Claim ...
Page 20
... screw , for the purpose of lengthening or shortening them and regulating the force exerted by the springs . " It further consists in forming the cams for operating the levers which draw back the picker staves , in such a manner as to ...
... screw , for the purpose of lengthening or shortening them and regulating the force exerted by the springs . " It further consists in forming the cams for operating the levers which draw back the picker staves , in such a manner as to ...
Page 52
... tearing and breaking of all the flanch bolts , leaving the vul- canised rubber joint remaining in good order ; the end of the throttle valve lever being fastened by the usual thumb screw , 52 Mechanics , Physics , and Chemistry .
... tearing and breaking of all the flanch bolts , leaving the vul- canised rubber joint remaining in good order ; the end of the throttle valve lever being fastened by the usual thumb screw , 52 Mechanics , Physics , and Chemistry .
Page 99
... screw as aforesaid . " 40. For an Improvement in Oscillating Seeding Cylinders ; David E. Rohr , Charlestown ... screws , by means of which the mould is fixed in any required shape . " Claim . " What I claim as my invention is the ...
... screw as aforesaid . " 40. For an Improvement in Oscillating Seeding Cylinders ; David E. Rohr , Charlestown ... screws , by means of which the mould is fixed in any required shape . " Claim . " What I claim as my invention is the ...
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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