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 88
Page 32
... a man acquainted with the practical working of steam machinery ; and when he makes an official inspection of engines or their boilers he shall personally examine such portions as are 32 Mechanics , Physics , and Chemistry .
... a man acquainted with the practical working of steam machinery ; and when he makes an official inspection of engines or their boilers he shall personally examine such portions as are 32 Mechanics , Physics , and Chemistry .
Page 33
... practical engineers to whom the objection does not apply . This may arise from the low scale of fees payable to the inspector , which render some other source of income ne- cessary , in all but one or two of the The Present System of ...
... practical engineers to whom the objection does not apply . This may arise from the low scale of fees payable to the inspector , which render some other source of income ne- cessary , in all but one or two of the The Present System of ...
Page 41
... practical light on this subject , viz : What is the best form of propeller ? Should it have 6 , 4 , 3 , or 2 blades ? Which is the best angle ? Should they be run at high or low speed ? There are at least a dozen different patents , but ...
... practical light on this subject , viz : What is the best form of propeller ? Should it have 6 , 4 , 3 , or 2 blades ? Which is the best angle ? Should they be run at high or low speed ? There are at least a dozen different patents , but ...
Page 49
... practical engineer , that not only do steamers that are similar vary in their vacuum , but vessels of the same dimensions in every respect will often vary a pound : nay , more , when there are two engines in the same vessel , the vacuum ...
... practical engineer , that not only do steamers that are similar vary in their vacuum , but vessels of the same dimensions in every respect will often vary a pound : nay , more , when there are two engines in the same vessel , the vacuum ...
Page 51
... practical experiments , witnessed by disinter- ested engineers , would be valuable , and an assertion has value if supported by fact , but is useless without it . FULTON . To the Committee on Publications . Explosion of the Steamboat ...
... practical experiments , witnessed by disinter- ested engineers , would be valuable , and an assertion has value if supported by fact , but is useless without it . FULTON . To the Committee on Publications . Explosion of the Steamboat ...
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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