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 1-5 of 38
Page 31
... nitric acid , spec . grav . 1.33 . This addition produces an effervescence due to the disengagement of nitrous acid . When all the acid Liquid and Unchangeable Glue . 31.
... nitric acid , spec . grav . 1.33 . This addition produces an effervescence due to the disengagement of nitrous acid . When all the acid Liquid and Unchangeable Glue . 31.
Page 63
... acid trace Manganese trace Protoxide of iron ( by difference ) 98.171 100.009 The residue , insoluble in very dilute nitric acid , contained also por- tions which obeyed the action of the magnet ; and these in like manner were subjected ...
... acid trace Manganese trace Protoxide of iron ( by difference ) 98.171 100.009 The residue , insoluble in very dilute nitric acid , contained also por- tions which obeyed the action of the magnet ; and these in like manner were subjected ...
Page 67
... nitric acid upon the resins of Xanthorrhea hastilis and X. arborea afford an excellent product for this purpose . These gums are known in commerce , the first as gum- flavum , or yellow gum , and gum - acaroides , and that from the ...
... nitric acid upon the resins of Xanthorrhea hastilis and X. arborea afford an excellent product for this purpose . These gums are known in commerce , the first as gum- flavum , or yellow gum , and gum - acaroides , and that from the ...
Page 69
... acid and chloride of tin , until the pure blue color is produced . In the course of this operation , much cyanogen ... nitric acid ) , equal in weight to half or three - fourths of the ferridcyanide of potassium employed , pro- duced the ...
... acid and chloride of tin , until the pure blue color is produced . In the course of this operation , much cyanogen ... nitric acid ) , equal in weight to half or three - fourths of the ferridcyanide of potassium employed , pro- duced the ...
Page 159
... nitric acid or liquid within it , through such part and into the liquid surrounding the cell , the remain- der of the cell being made by glazing or other means impervious to the passage of elec- tricity and acid or liquid through it ...
... nitric acid or liquid within it , through such part and into the liquid surrounding the cell , the remain- der of the cell being made by glazing or other means impervious to the passage of elec- tricity and acid or liquid through it ...
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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