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 21
... invention , what I claim therein as new is , so hanging or balancing the bed which holds the form , and move up and down for each im- pression , upon springs , as that its own weight shall compress the springs to a great extent , and ...
... invention , what I claim therein as new is , so hanging or balancing the bed which holds the form , and move up and down for each im- pression , upon springs , as that its own weight shall compress the springs to a great extent , and ...
Page 22
... invention is , the employment of double jointed slides and jointed rods , with the jointed arms , jointed seat and back , pillars and supports , arranged and operating substantially in the manner and for the purposes herein fully set ...
... invention is , the employment of double jointed slides and jointed rods , with the jointed arms , jointed seat and back , pillars and supports , arranged and operating substantially in the manner and for the purposes herein fully set ...
Page 23
... invention consists in providing the horizontal bars and the palings with quadrants , segments , circles , cylinders , triangles , and other devices cast to them , for the purposes herein described and set forth , making it a fence or ...
... invention consists in providing the horizontal bars and the palings with quadrants , segments , circles , cylinders , triangles , and other devices cast to them , for the purposes herein described and set forth , making it a fence or ...
Page 24
... invention is , placing the bed plate in a vertical position , when a reciprocating motion is imparted to it , by which the impressions can be made at each forward movement of the said bed plate , substantially as herein set forth . " I ...
... invention is , placing the bed plate in a vertical position , when a reciprocating motion is imparted to it , by which the impressions can be made at each forward movement of the said bed plate , substantially as herein set forth . " I ...
Page 25
... invention is , an attachment to the vise , substantially as herein described , and for the purposes set forth , which attachment is removable at pleasure , and requires no change in the construction of the vise to which it is applied ...
... invention is , an attachment to the vise , substantially as herein described , and for the purposes set forth , which attachment is removable at pleasure , and requires no change in the construction of the vise to which it is applied ...
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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