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 26
... produced in helical lines , and the evil consequences resulting to the fabric therefrom . " I also claim the ... producing an equal and simultaneous rotation of these frames , all sub- stantially as described , whereby there shall ...
... produced in helical lines , and the evil consequences resulting to the fabric therefrom . " I also claim the ... producing an equal and simultaneous rotation of these frames , all sub- stantially as described , whereby there shall ...
Page 66
... produced in the same time is nearly sixty per cent . Assu- redly this was a great step in advance . Could science do more ? Professor Bunsen , in an inquiry in which I was glad to afford him aid , has shown that she can . We examined ...
... produced in the same time is nearly sixty per cent . Assu- redly this was a great step in advance . Could science do more ? Professor Bunsen , in an inquiry in which I was glad to afford him aid , has shown that she can . We examined ...
Page 67
... produced a fine clear yellow on silk by its being immersed in it for a short time ; if a mordant be used , the color is much faster . This substance proved , on chemical examination , to be the picric , nitropicric or carbazotic acid in ...
... produced a fine clear yellow on silk by its being immersed in it for a short time ; if a mordant be used , the color is much faster . This substance proved , on chemical examination , to be the picric , nitropicric or carbazotic acid in ...
Page 69
... produced . In the course of this operation , much cyanogen escapes in the form of hydrocyanic acid . The loss of this substance , which is of so much importance in the formation of the blue color , led to the idea of altering the ...
... produced . In the course of this operation , much cyanogen escapes in the form of hydrocyanic acid . The loss of this substance , which is of so much importance in the formation of the blue color , led to the idea of altering the ...
Page 76
... produced , meet the vertical from B , at 921 per cent . The straightness of the line implies that the indicated per centage of condensation increases uniformly with the relative volume by expansion . For an expansion of 1.53 times , the ...
... produced , meet the vertical from B , at 921 per cent . The straightness of the line implies that the indicated per centage of condensation increases uniformly with the relative volume by expansion . For an expansion of 1.53 times , the ...
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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.-"What I 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 glass heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery manner manufacture 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