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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Results 6-10 of 76
Page 109
... color - making . " Claim . " Having now described the nature of my said invention , and the manner in which the same is to be performed , I hereby declare that I claim as my invention , the process described for manufacturing the ...
... color - making . " Claim . " Having now described the nature of my said invention , and the manner in which the same is to be performed , I hereby declare that I claim as my invention , the process described for manufacturing the ...
Page 113
... colors and shades , or encircling the photographic image with a succession of circles , halves and irradiations . " Claim . " What I claim as my invention is , the producing ornamental borders and designs of different shades and forms ...
... colors and shades , or encircling the photographic image with a succession of circles , halves and irradiations . " Claim . " What I claim as my invention is , the producing ornamental borders and designs of different shades and forms ...
Page 141
... Colors . * M. Niepec de Saint - Victor laid before the Academy of Sciences , at the sitting of the 8th of November , daguerreotypes upon which he had suc- ceeded in fixing , in a manner more or less permanent , colors by the ca- mera ...
... Colors . * M. Niepec de Saint - Victor laid before the Academy of Sciences , at the sitting of the 8th of November , daguerreotypes upon which he had suc- ceeded in fixing , in a manner more or less permanent , colors by the ca- mera ...
Page 142
... colors are rendered very much more vivid by the action of ammonia , and at the same time this volatile alkali appears to fix the colors with much permanence . These results bring much more near than hitherto the desideratum of producing ...
... colors are rendered very much more vivid by the action of ammonia , and at the same time this volatile alkali appears to fix the colors with much permanence . These results bring much more near than hitherto the desideratum of producing ...
Page 198
... color , greasy feel , and softness . Regarding the diamond as one form of pure carbon and graphite as another , they have been termed allotro- pic conditions of that element , and hence in speaking of the graphitic variety , we have ...
... color , greasy feel , and softness . Regarding the diamond as one form of pure carbon and graphite as another , they have been termed allotro- pic conditions of that element , and hence in speaking of the graphitic variety , we have ...
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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