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] |
No grāmatas satura
1.–5. rezultāts no 100.
17. lappuse
... valve for governing an aperture in the top plate of the cap , so balanced or weighted that it shall open by gravity when the furnace is working under a draft due to the rarefaction of the column , and be closed by the force of the ...
... valve for governing an aperture in the top plate of the cap , so balanced or weighted that it shall open by gravity when the furnace is working under a draft due to the rarefaction of the column , and be closed by the force of the ...
18. lappuse
... valves ' with ventilators for ventilating vessels and steamers , and the combination of ' floatable valve ventilators ' with vessels and steamers . The valves to be acted upon , by the raising and the falling of the water when in ...
... valves ' with ventilators for ventilating vessels and steamers , and the combination of ' floatable valve ventilators ' with vessels and steamers . The valves to be acted upon , by the raising and the falling of the water when in ...
22. lappuse
... valve , or steam whistle , the same being in common use ; but what I do claim as my invention , is the peculiar method of moving the indicator by its attachment to the slide valve of the whistle , by which the connexion is continued ...
... valve , or steam whistle , the same being in common use ; but what I do claim as my invention , is the peculiar method of moving the indicator by its attachment to the slide valve of the whistle , by which the connexion is continued ...
28. lappuse
... valve , and is depressed and allowed gradually and easily to drop the valve when the counter - balance of the toggle is operated by the adjustable stop , substantially as herein described . " 26. For an Improvement in Seed Planters ...
... valve , and is depressed and allowed gradually and easily to drop the valve when the counter - balance of the toggle is operated by the adjustable stop , substantially as herein described . " 26. For an Improvement in Seed Planters ...
31. lappuse
... valve , it was found that there was insufficient space for the escape of steam from it , by the box above the valve being nearly filled with the lead weight on the spindle , the area of which space was only about the area of the valve ...
... valve , it was found that there was insufficient space for the escape of steam from it , by the box above the valve being nearly filled with the lead weight on the spindle , the area of which space was only about the area of the valve ...
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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