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 92
Page 39
... electric force of the metals might probably depend on some variability in their conducting power for electricity . I was , moreover , led to believe that this conducting power ought to be variable in different directions in crystallized ...
... electric force of the metals might probably depend on some variability in their conducting power for electricity . I was , moreover , led to believe that this conducting power ought to be variable in different directions in crystallized ...
Page 40
... electric series , than any other bar which can be formed from the same metal . The thermo - electric force between the Antimony ( A ) and ( B ) , or between the Bismuth ( A ) and ( B ) , is quite considerable . If a bar is taken interme ...
... electric series , than any other bar which can be formed from the same metal . The thermo - electric force between the Antimony ( A ) and ( B ) , or between the Bismuth ( A ) and ( B ) , is quite considerable . If a bar is taken interme ...
Page 41
... electric force and the direction of the current , relative to the plane of crystallization , was not then known . For Bismuth ( B ) I found , as did the experimenters who have made . the experiment before me , that the current passed ...
... electric force and the direction of the current , relative to the plane of crystallization , was not then known . For Bismuth ( B ) I found , as did the experimenters who have made . the experiment before me , that the current passed ...
Page 90
... electricity could break through that barrier , and a flash that could not break through five or ten feet could do no harm to the chimney . " " A very great point is to have no insulated masses of metal . If , there- fore hoops are put ...
... electricity could break through that barrier , and a flash that could not break through five or ten feet could do no harm to the chimney . " " A very great point is to have no insulated masses of metal . If , there- fore hoops are put ...
Page 91
... electric state of the atmosphere , the electric fluid was distinctly preceived rushing down the rod , by a loud singing noise given out by it , arising from a tremor or vibration into which it was thrown , by a little play in the studs ...
... electric state of the atmosphere , the electric fluid was distinctly preceived rushing down the rod , by a loud singing noise given out by it , arising from a tremor or vibration into which it was thrown , by a little play in the studs ...
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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