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 100
Page 13
... method of giving a drying quality to oils by the use of a mineral commonly known by the name of the " Red Oxide of Zinc , " VOL . XXI . - THIRD SERIES - No , 1. — JANUARY , 1851 . in a partially deoxidized state , and either in ...
... method of giving a drying quality to oils by the use of a mineral commonly known by the name of the " Red Oxide of Zinc , " VOL . XXI . - THIRD SERIES - No , 1. — JANUARY , 1851 . in a partially deoxidized state , and either in ...
Page 14
... method of heating the front end of the extended part of the oven , in combination with , and receiving the heated air from , the hot air chamber behind the fire back , and causing it to pass through the oven and out into the fire flues ...
... method of heating the front end of the extended part of the oven , in combination with , and receiving the heated air from , the hot air chamber behind the fire back , and causing it to pass through the oven and out into the fire flues ...
Page 16
... Method of Attaching Augers to their Handles ; John E. Larkin , Ballston Spa , Saratoga county , New York , November 19 . Claim . " What I claim as new in my invention , is the handle , made in two parts , one of which , D , fits in a ...
... Method of Attaching Augers to their Handles ; John E. Larkin , Ballston Spa , Saratoga county , New York , November 19 . Claim . " What I claim as new in my invention , is the handle , made in two parts , one of which , D , fits in a ...
Page 19
... Method of Securing Rails of Rail - roads ; H. H. Mary , Gales burgh , Knox county , Illinois , November 26 . Claim ... method of threading wood screws by a series of chasing operations , and for doing this on pointed screws . " Claim ...
... Method of Securing Rails of Rail - roads ; H. H. Mary , Gales burgh , Knox county , Illinois , November 26 . Claim ... method of threading wood screws by a series of chasing operations , and for doing this on pointed screws . " Claim ...
Page 49
... method , the steam sweeps out all the metallic vapor from the apparatus , and the opening of it is without danger . The guarantee is thus complete , and the employment of over- heated steam appears to have solved the problem which has ...
... method , the steam sweeps out all the metallic vapor from the apparatus , and the opening of it is without danger . The guarantee is thus complete , and the employment of over- heated steam appears to have solved the problem which has ...
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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