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 49
Page 63
... Silica 0-918 Phosphoric acid 0.500 Nickel ( and cobalt ) 0-129 Lime and magnesia 0-178 Alumina 0-213 Vanadic acid trace Manganese trace Protoxide of iron ( by difference ) 98-171 100.009 . The residue , insoluble in very dilute nitric ...
... Silica 0-918 Phosphoric acid 0.500 Nickel ( and cobalt ) 0-129 Lime and magnesia 0-178 Alumina 0-213 Vanadic acid trace Manganese trace Protoxide of iron ( by difference ) 98-171 100.009 . The residue , insoluble in very dilute nitric ...
Page 193
... silica , lime , and alumina ; in addition to which , sulphur , phosphoric acid , oxide of manganese , magnesia , and the alkalies are rarely absent . Substances of more unusual occurrence are oxides of chronium , tin , tita- nium ...
... silica , lime , and alumina ; in addition to which , sulphur , phosphoric acid , oxide of manganese , magnesia , and the alkalies are rarely absent . Substances of more unusual occurrence are oxides of chronium , tin , tita- nium ...
Page 195
... silica , and slag is thus obtained . By ignition the whole of the carbon is burned off , and the amount determined by weighing the calx . The difference between the two weights , which is the amount lost by the ignition , represents the ...
... silica , and slag is thus obtained . By ignition the whole of the carbon is burned off , and the amount determined by weighing the calx . The difference between the two weights , which is the amount lost by the ignition , represents the ...
Page 196
... silica , & c . , insoluble , subjects the carbon to a partial conversion into soluble humus . After repeated trials and due consideration of the above and other processes for estimating the total amount of carbon , we were convinced ...
... silica , & c . , insoluble , subjects the carbon to a partial conversion into soluble humus . After repeated trials and due consideration of the above and other processes for estimating the total amount of carbon , we were convinced ...
Page 197
... silica , and a portion of oxide of iron , formed as mentioned under " slag and silicium , " float in the liquid , which contains the bases or remaining constituents as iodides . The solution is to be immediately diluted with water ...
... silica , and a portion of oxide of iron , formed as mentioned under " slag and silicium , " float in the liquid , which contains the bases or remaining constituents as iodides . The solution is to be immediately diluted with water ...
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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.-"What I 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 glass heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery manner manufacture 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