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 100
Page 58
... amount of trouble or skill required in preparing the specification and drawings , if drawings are necessary the actual payment to government will be £ 10 . Completion of the Patent . - When the applicant is desirous to complete his ...
... amount of trouble or skill required in preparing the specification and drawings , if drawings are necessary the actual payment to government will be £ 10 . Completion of the Patent . - When the applicant is desirous to complete his ...
Page 65
... amount of thirty - three per cent . from the deposits or " fume , " is obtained . III . DR . LYON PLAYFAIR . * 1. Iron Smelling . - Let us select the smelting of Iron , as an example of the teachings of chemistry . If practice , unaided ...
... amount of thirty - three per cent . from the deposits or " fume , " is obtained . III . DR . LYON PLAYFAIR . * 1. Iron Smelling . - Let us select the smelting of Iron , as an example of the teachings of chemistry . If practice , unaided ...
Page 66
... amount produced in the same time is nearly sixty per cent . redly this was a great step in advance . Could science do more ? Assu- Professor Bunsen , in an inquiry in which I was glad to afford him aid , has shown that she can . We ...
... amount produced in the same time is nearly sixty per cent . redly this was a great step in advance . Could science do more ? Assu- Professor Bunsen , in an inquiry in which I was glad to afford him aid , has shown that she can . We ...
Page 80
... amount of wear or slugger may have taken place in the valve gear , so far as concerns the exhaust : in outsides , on the contrary , it is a very important object to maintain the gearing in the highest order , so as to keep up the inside ...
... amount of wear or slugger may have taken place in the valve gear , so far as concerns the exhaust : in outsides , on the contrary , it is a very important object to maintain the gearing in the highest order , so as to keep up the inside ...
Page 84
... amount of friction in the two cylinders than in the four cylinders , when giving out the same total amount of power . Mr. Crampton replied , that a greater effect was found to be produced after allowance was made for the friction , by ...
... amount of friction in the two cylinders than in the four cylinders , when giving out the same total amount of power . Mr. Crampton replied , that a greater effect was found to be produced after allowance was made for the friction , by ...
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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