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 6-10 of 100
Page 37
... allows the position of the sun to be vaguely seen . A " After again throwing over some ballast , the balloon resumes its ascent . " 4h . 25m . Barometer oscillates from 347-75 mm . to 367-04 ; thermometer - 10-05 to -98.o ; Height 6330 ...
... allows the position of the sun to be vaguely seen . A " After again throwing over some ballast , the balloon resumes its ascent . " 4h . 25m . Barometer oscillates from 347-75 mm . to 367-04 ; thermometer - 10-05 to -98.o ; Height 6330 ...
Page 46
... allow that the indicator power will be 24 times the nominal power , a very full proportion for beam engines to work safely under ( un- less they are made more than usually strong in the motive parts , as before explained . ) We ...
... allow that the indicator power will be 24 times the nominal power , a very full proportion for beam engines to work safely under ( un- less they are made more than usually strong in the motive parts , as before explained . ) We ...
Page 56
... allow them to have any person for an engineer . A proper inspection of those who have charge of steamers is necessary to the public good . FULTON . On the Form of Shafts and Axles . By MR . THOMAS THORNEYCROFT . * In order to arrive at ...
... allow them to have any person for an engineer . A proper inspection of those who have charge of steamers is necessary to the public good . FULTON . On the Form of Shafts and Axles . By MR . THOMAS THORNEYCROFT . * In order to arrive at ...
Page 73
... allow a 400 tons ' burden ship to mount the river , although directly the stream became narrowed above Villequier , sufficient depth to float even a 1000 ton ship existed at high tides . The objects proposed then were to deepen the ...
... allow a 400 tons ' burden ship to mount the river , although directly the stream became narrowed above Villequier , sufficient depth to float even a 1000 ton ship existed at high tides . The objects proposed then were to deepen the ...
Page 74
... allow any flood - water to overflow at 6 inches above the depth required in the lock , should any sudden flood come down by night . The locks are made 120 metres long by 12 metres wide ( 400 feet by 40 feet ) , and a fall of 2 metres ...
... allow any flood - water to overflow at 6 inches above the depth required in the lock , should any sudden flood come down by night . The locks are made 120 metres long by 12 metres wide ( 400 feet by 40 feet ) , and a fall of 2 metres ...
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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