Journal of the Franklin InstitutePergamon Press, 1865 |
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Page 22
... contain the tangent CD and the arc C H. Now , the wheel can only assume this new plane of revolution , or one parallel to it , by moving backward in a direction opposite to that in which the top of the wheel revolves , which it is free ...
... contain the tangent CD and the arc C H. Now , the wheel can only assume this new plane of revolution , or one parallel to it , by moving backward in a direction opposite to that in which the top of the wheel revolves , which it is free ...
Page 24
... containing Gold in small quantities . By H. JACKSON and W. A. OTT . Amongst the different improvements lately adopted for the extrac- tion of gold from auriferous ores , the process of Professor Plattner , of Freiberg , ( Saxony ...
... containing Gold in small quantities . By H. JACKSON and W. A. OTT . Amongst the different improvements lately adopted for the extrac- tion of gold from auriferous ores , the process of Professor Plattner , of Freiberg , ( Saxony ...
Page 25
... contain the gold in a mineral- ized condition , but , by his premature death , he was prevented from finding out such ... containing sulphur must be roasted until all other metals contained therein have been transferred to the highest ...
... contain the gold in a mineral- ized condition , but , by his premature death , he was prevented from finding out such ... containing sulphur must be roasted until all other metals contained therein have been transferred to the highest ...
Page 26
... containing gold in very small particles , and for ores containing very few sulpho - metals , and requiring no completely and costly desulphurization , and it an- swers also for residues , though the apparatus prescribed by the inventor ...
... containing gold in very small particles , and for ores containing very few sulpho - metals , and requiring no completely and costly desulphurization , and it an- swers also for residues , though the apparatus prescribed by the inventor ...
Page 27
... containing gold in finely distributed particles , as to such ores which may contain gold in coarser particles . Having explained the two chief points which distinguish our process from Plattner's mode , we deem it necessary to say a few ...
... containing gold in finely distributed particles , as to such ores which may contain gold in coarser particles . Having explained the two chief points which distinguish our process from Plattner's mode , we deem it necessary to say a few ...
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66 date acid action air pump amount apparatus applied arrangement atmospheric Bessemer process boiler carbon caseine cast iron cause cent centre chemical coal color combustion condenser constructed containing cubic cubic foot cylinder diameter effect employed equal evaporated expansion experiments fact fatty matters feet fluid force FRANKLIN INSTITUTE fuel furnace gauge glass glycerine heat horse power increased kilometres per hour L.-THIRD SERIES.-No length less lime London magnesium manganese manufacture marine engines material means mechanical mercury Messrs metal miles Mont Cenis motion naphtha obtained ordinary paper pass patent petroleum pipe placed plate portion practical present pressure produced proportion quantity rails railway resistance screw ship side silicate soap soda spermaceti square inch strain strength stroke substance sulphur sulphuric acid surface surface condensers temperature thickness tion tons truss tube valve vessel weight wheels whilst wool wrought iron