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] |
From inside the book
Արդյունքներ 100–ի 1-ից 5-ը:
Էջ 16
... Telegraph , John Garvey , City of New York , November 19 . Claim . " What I claim as new and of my own invention , is the combination and arrangement of the spring levers , suspended bar or striker , with the pendulums and bells , for ...
... Telegraph , John Garvey , City of New York , November 19 . Claim . " What I claim as new and of my own invention , is the combination and arrangement of the spring levers , suspended bar or striker , with the pendulums and bells , for ...
Էջ 34
... telegraph have been opened in Austria , making the total mileage about 2000 , of which about one - quarter has the wires laid underground on the improved system . Another 1000 miles will be ready by next year . The telegraph now works ...
... telegraph have been opened in Austria , making the total mileage about 2000 , of which about one - quarter has the wires laid underground on the improved system . Another 1000 miles will be ready by next year . The telegraph now works ...
Էջ 190
... Telegraph , delivered before the Franklin Institute . By DR . L. TURNBULL . 1850-51 . The term Telegraph is derived from the two Greek words To ( Tele ) and rex ( Grapho ) , meaning " I write afar off . " It is the name given to any ...
... Telegraph , delivered before the Franklin Institute . By DR . L. TURNBULL . 1850-51 . The term Telegraph is derived from the two Greek words To ( Tele ) and rex ( Grapho ) , meaning " I write afar off . " It is the name given to any ...
Էջ 191
... telegraph universally applicable , was given by Dr. Hooke , in the Philosophical Transactions for 1684. The method which he proposed , ( for it was not carried into effect , ) consisted in pre- paring as many different shaped figures ...
... telegraph universally applicable , was given by Dr. Hooke , in the Philosophical Transactions for 1684. The method which he proposed , ( for it was not carried into effect , ) consisted in pre- paring as many different shaped figures ...
Էջ 192
... telegraph consists of merely two arms , movable on different pivots , on the same mast , as seen in the annexed figure . Lastly , in 1822 General Pasley still farther simplified its construction , by placing the two arms on the same ...
... telegraph consists of merely two arms , movable on different pivots , on the same mast , as seen in the annexed figure . Lastly , in 1822 General Pasley still farther simplified its construction , by placing the two arms on the same ...
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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