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 10
... obtained by mixing the air in the tubes of locomotive boilers . Mr. Gibbons said he had observed a similar advantage from mix- ing the particles of air in heating the air for his blast furnaces near Dudley ; the pipes through which the ...
... obtained by mixing the air in the tubes of locomotive boilers . Mr. Gibbons said he had observed a similar advantage from mix- ing the particles of air in heating the air for his blast furnaces near Dudley ; the pipes through which the ...
Page 36
... obtained by comparison , not with the observatory , but with the intermediate station , 5902 metres , where the tempera- ture was 9.3 ° , and the pressure 367.04mm . We thus find 7004 metres for the highest station . But there must ...
... obtained by comparison , not with the observatory , but with the intermediate station , 5902 metres , where the tempera- ture was 9.3 ° , and the pressure 367.04mm . We thus find 7004 metres for the highest station . But there must ...
Page 40
... obtained different results . Vorselmann de Heer , who is the last who has attended to this subject , found that the current went sometimes from the cold metal to the hot , sometimes from the hot to the cold . He believed , from his ...
... obtained different results . Vorselmann de Heer , who is the last who has attended to this subject , found that the current went sometimes from the cold metal to the hot , sometimes from the hot to the cold . He believed , from his ...
Page 44
... obtained , but acci- dents have resulted , to which they will always be liable ; but make the connexions as strong and heavy as you please , these engines can never contend in this respect with the direct or oscillating engine . The ...
... obtained , but acci- dents have resulted , to which they will always be liable ; but make the connexions as strong and heavy as you please , these engines can never contend in this respect with the direct or oscillating engine . The ...
Page 60
... obtained an axle which had a shoulder at both ends , he turned the shoulder off one end but left it on the other , and he found that in the instance where the shoulder was turned off , it required a pressure of 120 tons to break it ...
... obtained an axle which had a shoulder at both ends , he turned the shoulder off one end but left it on the other , and he found that in the instance where the shoulder was turned off , it required a pressure of 120 tons to break it ...
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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