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 7
... observations made upon engines under the author's immediate superintendence , it appears that whilst the heating surface of locomotive boilers has been increased from 400 square feet ( in the year 1842 ) to 987 square feet , ( in the ...
... observations made upon engines under the author's immediate superintendence , it appears that whilst the heating surface of locomotive boilers has been increased from 400 square feet ( in the year 1842 ) to 987 square feet , ( in the ...
Page 10
... 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 air was passed for the purpose of heating it were bent like a syphon , so as to cause ...
... 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 air was passed for the purpose of heating it were bent like a syphon , so as to cause ...
Page 11
... observed , that as a certain quantity of heated air had to be conveyed from the fire- box to the chimney , and a certain area of heating surface was also required , there would be an important reduction effected in the resistance of the ...
... observed , that as a certain quantity of heated air had to be conveyed from the fire- box to the chimney , and a certain area of heating surface was also required , there would be an important reduction effected in the resistance of the ...
Page 35
... Observation of the various optical phenomena produced by the clouds . " The apparatus placed at our disposal were : " 1st , Two syphon barometers , graduated on the glass , whose upper meniscus we were to observe ; the position of the ...
... Observation of the various optical phenomena produced by the clouds . " The apparatus placed at our disposal were : " 1st , Two syphon barometers , graduated on the glass , whose upper meniscus we were to observe ; the position of the ...
Page 38
... observed on the thermometer attached to the barometer . " At the request of M. Regnault , MM . Person at Besançon ; de Breauté at Dieppe ; Bertin at Strasburg ; Hoghens at Versailles 38 Mechanics , Physics , and Chemistry .
... observed on the thermometer attached to the barometer . " At the request of M. Regnault , MM . Person at Besançon ; de Breauté at Dieppe ; Bertin at Strasburg ; Hoghens at Versailles 38 Mechanics , Physics , and Chemistry .
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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