ns; WITH AND WITHOUT BOILERS, and bore at auniform rate, of THREE TO FIVE INCHES PER MIN]UTE in hard rock. They are adapted to CHANNELLING,GADDING, SHAFTING, TUNNELLING, and open cutwork; also, to DEEP BORING FOR TESTING THEVALUE OF MINES AND QUARRIES. TEST COREtaken out, showing the character of… … THE TANITE CO., INVENTORS & BUILDERS OF SPECIAL MACHINERY CONNECTED WITH EMERY GRINDING. SOLID EMERY WHEELS.from 1 In. to 3 feet In dlam The Tanitb Emery Wheel Is rapidly taking the place of the file and the Grindstone. If you wish to make Im- firovements in your Factory, Foundry, Mill or…
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