Harris, J. H. <br/><br/>
Hints on cyanidation :   the use of charcoal in precipitation /  
J. H. Harris. 
 - Dar es Salaam :   Government Printer,   1940. 
 - 13 p. ;    25 cm. 
 - Tanganyika Territory.Department of Lands and Mines. Geological Divis ion ;   Pamphlet No.8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precipitation (chemistry).--------<br/>Charcoal.--------
<br/><br/><label>Gov. Doc. Class. No.: </label>G EAT C621 (08) 4/8