Vacuum Pans are Front street, San Francisco, Cal. run with full vacuum without Air Pump. Send toG. S. HUNDREDTHS PER CENT. me * 08k WILSON, 51 Chardon St., Boston, for a persenai call, or Send for a circular. H.W.COLL DER" PH ELAN & COLLENDER FOR the Company, at Buffalo, N. Y.,fora circular. Ite T.… … VALUE OF MINES AND QUARRIES. TEST CORES Strength of Materials.—The Colt’s Arms Company, of Hartford, Conn., is prepared to measure the stren| th taken out, showing the character of mines at any depth. of all materials by its testing machine, which is capable Used either with steam or compressed…
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