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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Página 22
... iron flask in which are cast kettles . Iron moulds are in general use for casting 22 American Patents .
... iron flask in which are cast kettles . Iron moulds are in general use for casting 22 American Patents .
Página 23
kettles . Iron moulds are in general use for casting pans and kettles with the flanch up- wards . I cast mine with the flanch downwards , and am thereby enabled to drive off the impurities contained in the iron , in the same manner as ...
kettles . Iron moulds are in general use for casting pans and kettles with the flanch up- wards . I cast mine with the flanch downwards , and am thereby enabled to drive off the impurities contained in the iron , in the same manner as ...
Página 27
... cast or wrought iron planing wheel , to contain planing cutters , that the saw may be stiffened and rendered free from trembling , shaking , or running in , and made to cut in advance of the planing cutters , to level and cleanse the ...
... cast or wrought iron planing wheel , to contain planing cutters , that the saw may be stiffened and rendered free from trembling , shaking , or running in , and made to cut in advance of the planing cutters , to level and cleanse the ...
Página 48
... cast iron retort , which receives the recipient which contains the mercury ; second , of a wrought iron worm in the upper part of the furnace which heats it . The steam circulates in the worm , is there heated to the proper degree ...
... cast iron retort , which receives the recipient which contains the mercury ; second , of a wrought iron worm in the upper part of the furnace which heats it . The steam circulates in the worm , is there heated to the proper degree ...
Página 52
... cast iron stands and pieces of sheet iron are carried aft nearly to the wheel shafts , and one check valve complete was thrown into the engineers ' work - room , where also the second engi- neer was blown , and escaped with a slight ...
... cast iron stands and pieces of sheet iron are carried aft nearly to the wheel shafts , and one check valve complete was thrown into the engineers ' work - room , where also the second engi- neer was blown , and escaped with a slight ...
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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