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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Page 3
... amount of work necess- ary to be done at the repair shops for finishing the construction of the road to Burlington , and for the Vermont and Canada Road . No doubt is entertained but that the Company can build their own merchandize cars ...
... amount of work necess- ary to be done at the repair shops for finishing the construction of the road to Burlington , and for the Vermont and Canada Road . No doubt is entertained but that the Company can build their own merchandize cars ...
Page 4
... amount , during the year ending June 30 ( previous to which time nothing has been charged to that account , ) one section hand and two helpers for each seven miles of track , as fast as the same was laid , and the road opened for ...
... amount , during the year ending June 30 ( previous to which time nothing has been charged to that account , ) one section hand and two helpers for each seven miles of track , as fast as the same was laid , and the road opened for ...
Page 7
... amount of duty , they require from two to three times the quantity of air forcing through the fire in the same time . The working parts of these engines have also been increased in di- mensions ; the cylinders from 12 inches to 15 and ...
... amount of duty , they require from two to three times the quantity of air forcing through the fire in the same time . The working parts of these engines have also been increased in di- mensions ; the cylinders from 12 inches to 15 and ...
Page 8
... amount of heating surface cannot be obtained without in- creasing the diameter or the length of the boiler , or making it oval , to all of which plans there are some objections ; but by the method now proposed it will be easy to enlarge ...
... amount of heating surface cannot be obtained without in- creasing the diameter or the length of the boiler , or making it oval , to all of which plans there are some objections ; but by the method now proposed it will be easy to enlarge ...
Page 11
... amount of power requisite to draw the air through the tubes , and consequently the rods in the tubes would cause a loss of power to the engine from the increased resistance to the blast . He thought , therefore , the rods must have ...
... amount of power requisite to draw the air through the tubes , and consequently the rods in the tubes would cause a loss of power to the engine from the increased resistance to the blast . He thought , therefore , the rods must have ...
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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