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 99
Page 1
... passing . Most of the track , yet requiring to be raised to grade , lies between Montpelier and Burlington , and was laid in mid - winter , when the ground was frozen so hard and deep as to prevent its being laid at grade . Besides this ...
... passing . Most of the track , yet requiring to be raised to grade , lies between Montpelier and Burlington , and was laid in mid - winter , when the ground was frozen so hard and deep as to prevent its being laid at grade . Besides this ...
Page 9
... passing off to the cylinders by the longitudinal pipe , which has a number of small holes upon its upper surface , and the latter running again into the generator through the vertical connexion at the front end , and thus keeping up the ...
... passing off to the cylinders by the longitudinal pipe , which has a number of small holes upon its upper surface , and the latter running again into the generator through the vertical connexion at the front end , and thus keeping up the ...
Page 10
... passing through the flues , for the purpose of mixing up the particles as much as possible ; and a similar advantage might probably be obtained by mixing the air in the tubes of locomotive boilers . Mr. Gibbons said he had observed a ...
... passing through the flues , for the purpose of mixing up the particles as much as possible ; and a similar advantage might probably be obtained by mixing the air in the tubes of locomotive boilers . Mr. Gibbons said he had observed a ...
Page 11
... passing through the tubes . Mr. Slate was of opinion that even on the ground of economy a large number of tubes was advisable , because with the violent and frequent action of the pieces of coke the tubes were soon worn out ; whereas ...
... passing through the tubes . Mr. Slate was of opinion that even on the ground of economy a large number of tubes was advisable , because with the violent and frequent action of the pieces of coke the tubes were soon worn out ; whereas ...
Page 12
... passes through my said Telegraphic Repeater , embracing in its course the armature of the op- posite electro - magnet - in the said instrument - previous to its passing through the helices in the electro - magnet embraced in its own ...
... passes through my said Telegraphic Repeater , embracing in its course the armature of the op- posite electro - magnet - in the said instrument - previous to its passing through the helices in the electro - magnet embraced in its own ...
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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