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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1.5. rezultāts no 100.
4. lappuse
... proportion paid Roads below , From Freight : Gross earnings , do . do . $ 159,066.96 From Express : Gross From U. S. ... proportions of the roads below , were for the month of June over $ 21,000 , July over 12,000 , ( business ...
... proportion paid Roads below , From Freight : Gross earnings , do . do . $ 159,066.96 From Express : Gross From U. S. ... proportions of the roads below , were for the month of June over $ 21,000 , July over 12,000 , ( business ...
6. lappuse
... proportion to the quantity of water evaporated ; or in other words , to produce more steam , it is not only necessary to supply more fuel , but also more atmospheric air in propor- tion to the quantity of steam produced . * From the ...
... proportion to the quantity of water evaporated ; or in other words , to produce more steam , it is not only necessary to supply more fuel , but also more atmospheric air in propor- tion to the quantity of steam produced . * From the ...
7. lappuse
... proportion to the total heating surface of the boiler , the greater will be the resistance to the action of the piston , and the greater the loss of power on this account . From observations made upon engines under the author's ...
... proportion to the total heating surface of the boiler , the greater will be the resistance to the action of the piston , and the greater the loss of power on this account . From observations made upon engines under the author's ...
10. lappuse
... proportion of the flue - room to the fire - grate surface could not be too large , supposing that full advantage was taken of the flue surface before the heated air reached the chimney . Whether long tubes or short tubes as applied to ...
... proportion of the flue - room to the fire - grate surface could not be too large , supposing that full advantage was taken of the flue surface before the heated air reached the chimney . Whether long tubes or short tubes as applied to ...
11. lappuse
... proportion was found to be nearly the same at all velocities ; the greatest amount of exhaustion observed in the smoke - box supported a column of water 13 inches high . He thought that the whole resistance of the blast - pipe and the ...
... proportion was found to be nearly the same at all velocities ; the greatest amount of exhaustion observed in the smoke - box supported a column of water 13 inches high . He thought that the whole resistance of the blast - pipe and 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