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 63
... Alumina 0-213 Vanadic 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 ...
... Alumina 0-213 Vanadic 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 ...
Page 193
... 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 , vanadium , copper ...
... 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 , vanadium , copper ...
Page 197
... alumina , the filter must be trans- ferred to a platinum crucible , cautiously ignited over a lamp , and finally by the blast , until every particle of carbon is burned off , as may be known when the residual calx presents no black ...
... alumina , the filter must be trans- ferred to a platinum crucible , cautiously ignited over a lamp , and finally by the blast , until every particle of carbon is burned off , as may be known when the residual calx presents no black ...
Page 200
... alumina as phosphate , and probably the lime and magnesia are left with the untouched carbons , silica and slag , so that these would not be correctly represented by the weight of the insoluble residue . In numerous essays , repeated ...
... alumina as phosphate , and probably the lime and magnesia are left with the untouched carbons , silica and slag , so that these would not be correctly represented by the weight of the insoluble residue . In numerous essays , repeated ...
Page 235
... Alumina , 33-7 34-95 30-3 31-6 Peroxide of Iron , 1.8 1-25 2.0 0-5 Magnesia , 0.8 traces 0.4 Lime , 0.5 .. .. Potash , 1.92 2.40 Soda , 1-12 2.75 3-4 Loss , 0-1 0-40 The great similarity of the Chinese kaolins to those of. 100.0 100-00 ...
... Alumina , 33-7 34-95 30-3 31-6 Peroxide of Iron , 1.8 1-25 2.0 0-5 Magnesia , 0.8 traces 0.4 Lime , 0.5 .. .. Potash , 1.92 2.40 Soda , 1-12 2.75 3-4 Loss , 0-1 0-40 The great similarity of the Chinese kaolins to those of. 100.0 100-00 ...
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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