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] |
From inside the book
Արդյունքներ 100–ի 1-ից 5-ը:
Էջ 7
... heating surface as those built about eight or ten years ago , and consequently when per- forming a proportionately increased amount of duty , they require from two to three times the quantity of air forcing through the fire in the same ...
... heating surface as those built about eight or ten years ago , and consequently when per- forming a proportionately increased amount of duty , they require from two to three times the quantity of air forcing through the fire in the same ...
Էջ 8
... heating surface of 987 feet , carrying 147 tubes of 12 inch external diameter and 13 ft . 10 in . long , the author found that the latter force was at all velocities three times as great as the former ; or in other words , that 66 per ...
... heating surface of 987 feet , carrying 147 tubes of 12 inch external diameter and 13 ft . 10 in . long , the author found that the latter force was at all velocities three times as great as the former ; or in other words , that 66 per ...
Էջ 9
... heating surface with less weight . Mr. Slate was of opinion , that for the weight the engine carried , it would have a considerably greater effective heating surface than any pre- vious form of boiler ; but he thought the boiler On an ...
... heating surface with less weight . Mr. Slate was of opinion , that for the weight the engine carried , it would have a considerably greater effective heating surface than any pre- vious form of boiler ; but he thought the boiler On an ...
Էջ 10
... heating power of the tubes and the fire - box , besides the experiment of Mr. Stephenson alluded to in the paper . Mr. McConnell remarked , that it appeared from experiments made by Mr. Stephenson and Mr. Beyer , that a very considerable ...
... heating power of the tubes and the fire - box , besides the experiment of Mr. Stephenson alluded to in the paper . Mr. McConnell remarked , that it appeared from experiments made by Mr. Stephenson and Mr. Beyer , that a very considerable ...
Էջ 14
... heating the front end of the said oven with hot air , by causing air to enter a heating chamber back of the fire - back , and then to pass along a flue or flues in the hearth to the front end of the extended oven , and thence through ...
... heating the front end of the said oven with hot air , by causing air to enter a heating chamber back of the fire - back , and then to pass along a flue or flues in the hearth to the front end of the extended oven , and thence through ...
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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