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 70
Page 15
... curved figure , as to allow a diverting influence , and free circulation to the exterior air in the air chamber , to be warmed without over - heating it ; while it is , by the arrangement of parts , forced to impinge directly against ...
... curved figure , as to allow a diverting influence , and free circulation to the exterior air in the air chamber , to be warmed without over - heating it ; while it is , by the arrangement of parts , forced to impinge directly against ...
Page 94
... curved line continually approximating a straight line , but never becoming straight though continued to infinity . This curved line is , however , modified in the diagrams by the unequal velocity of the piston in different parts of its ...
... curved line continually approximating a straight line , but never becoming straight though continued to infinity . This curved line is , however , modified in the diagrams by the unequal velocity of the piston in different parts of its ...
Page 97
... curved slots or apertures in the hori- zontal cog wheels , as arranged under the hopper , with the devices for gearing and ungear- ing , and the adjusting shovels . " Claim . " What I claim as my invention , is the peculiar construction ...
... curved slots or apertures in the hori- zontal cog wheels , as arranged under the hopper , with the devices for gearing and ungear- ing , and the adjusting shovels . " Claim . " What I claim as my invention , is the peculiar construction ...
Page 104
... curved arms or ends X1X1 , of the jaws X X , the turning slotted bar L , attached to the casting T , ( fig . 2 , ) having its ends , L1 L1 , curved in such a manner as to act as levers , and the spring B , for keeping the slotted bar L ...
... curved arms or ends X1X1 , of the jaws X X , the turning slotted bar L , attached to the casting T , ( fig . 2 , ) having its ends , L1 L1 , curved in such a manner as to act as levers , and the spring B , for keeping the slotted bar L ...
Page 106
... curved flat steel spokes , secured to the rim of the wheel at two points of each spoke , and resting on the hub or nave , through slots in the edge of the hub , with grooves or notches at their extremities overlapping an annular ...
... curved flat steel spokes , secured to the rim of the wheel at two points of each spoke , and resting on the hub or nave , through slots in the edge of the hub , with grooves or notches at their extremities overlapping an annular ...
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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