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 62
... oxidation , may nevertheless have left some traces of its presence in the metallic state . After having examined and discussed with care the origin , characters , structure , and composition of the specimen of fossil wood in question ...
... oxidation , may nevertheless have left some traces of its presence in the metallic state . After having examined and discussed with care the origin , characters , structure , and composition of the specimen of fossil wood in question ...
Page 63
... oxides : - Silica . Phosporic acid Vanadic acid 0.619 3.159 1-402 Oxide of nickel ( with oxide of cobalt ) 0.737 Oxide of iron Manganese 94.464 trace 100.381 So far M. Bahr , the original source of whose paper I am unable to , state ...
... oxides : - Silica . Phosporic acid Vanadic acid 0.619 3.159 1-402 Oxide of nickel ( with oxide of cobalt ) 0.737 Oxide of iron Manganese 94.464 trace 100.381 So far M. Bahr , the original source of whose paper I am unable to , state ...
Page 66
... oxide of iron to its metallic state . Much heat is required in the process of smelting , but the cold air blown in , as the blast , lowers the temperature , and compels the addition of fuel , as a compensation for this reduction ...
... oxide of iron to its metallic state . Much heat is required in the process of smelting , but the cold air blown in , as the blast , lowers the temperature , and compels the addition of fuel , as a compensation for this reduction ...
Page 69
... oxide of iron : the best is perchloride of iron . The dyeing takes place in the following manner - The ferrideyanide of potassium is first dissolved in the bath ; a small portion of the acid to be used is then added , and afterwards the ...
... oxide of iron : the best is perchloride of iron . The dyeing takes place in the following manner - The ferrideyanide of potassium is first dissolved in the bath ; a small portion of the acid to be used is then added , and afterwards the ...
Page 104
... oxide as a lining for safes and refrigerators , and as a covering for steam pipes , steam chambers , locomotive boilers , hot - air flues and chambers , in such manner as to prevent the trans- mission or conduction of caloric into or ...
... oxide as a lining for safes and refrigerators , and as a covering for steam pipes , steam chambers , locomotive boilers , hot - air flues and chambers , in such manner as to prevent the trans- mission or conduction of caloric into or ...
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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