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WHERE INFORMATION AND PROSPECTORS UNITE  
 
 

ASSAYING



A TEXT-BOOK OF ASSAYING: 1904
http://www.gutenberg.org/files/18751/18751-h/18751-h.htm



Blowpipe



Fire (Dry) assays



Torch Assaying



Thermite



Chemical (wet) assays



Microchems



Specific Gravity



Toothpick Assay



Vreeland Spectroscope



Discovery



Assaying WWW’s