Journal of the Franklin InstituteFranklin Institute, 1853 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 129
... metal , & c . , ) which have hitherto prevented . that class of engines from extended use in practice , might be removed . That question cannot be decided in a few hours ; it is the work of time with its usual experience , and if that ...
... metal , & c . , ) which have hitherto prevented . that class of engines from extended use in practice , might be removed . That question cannot be decided in a few hours ; it is the work of time with its usual experience , and if that ...
Page 161
... metal bar , having upon its extremities , arms with inner faces formed of sections of screws ; which arms work against the faces of castings , secured in the bed posts , and to the ends of the rails , thus drawing the ends of the rails ...
... metal bar , having upon its extremities , arms with inner faces formed of sections of screws ; which arms work against the faces of castings , secured in the bed posts , and to the ends of the rails , thus drawing the ends of the rails ...
Page 166
... metals , with porous , non - conducting substance interposed , as in the well known galvanic pile ; what I do claim as my invention is , constructing galvanic elements of positive and negative metals , separated from each other , by a ...
... metals , with porous , non - conducting substance interposed , as in the well known galvanic pile ; what I do claim as my invention is , constructing galvanic elements of positive and negative metals , separated from each other , by a ...
Page 167
... metal burning out the wooden supports and allowing the core to be withdrawn , by which means the core is prevented from being raised or forced upward , by the liquid metals , as it is poured into the mould ; and thus enabling pipes to ...
... metal burning out the wooden supports and allowing the core to be withdrawn , by which means the core is prevented from being raised or forced upward , by the liquid metals , as it is poured into the mould ; and thus enabling pipes to ...
Page 193
... Metal . ) The associated substances always occurring with the ores , in the furnace , are silica , lime , and alumina ; in addition to which , sulphur , phosphoric acid , oxide of manganese , magnesia , and the alkalies are rarely ...
... Metal . ) The associated substances always occurring with the ores , in the furnace , are silica , lime , and alumina ; in addition to which , sulphur , phosphoric acid , oxide of manganese , magnesia , and the alkalies are rarely ...
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acid alumina apparatus applied arrangement Assignor axle beam blast boiler carbon carbonic acid cast iron cause cent centre centum chamber claim coal colors combination condensation connexion construction cutter cylinder diameter effect engine equivalent evaporated experiments feet fire box flues frame Franklin Institute furnace fusel oil gases heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery magnesia manner manufacture Mean effective pressure means mechanical metal miles minute mode motion mould nitric acid obtained operation oxide pass patent Pennsylvania Philadelphia pipe piston pitch placed plate portion pounds present pressure produced proportion purpose quantity railway rollers screw shaft side silica slide speed spring square inch steam Stove stroke substantially as described temperature tion train tubes valve vertical vessel weight wheel wrought iron York