158 [SEPTEMBER 7, 1872. … The fact that this Snatting nas 75 per cent greater UTE in hardrock. They are adapted to CHANNELLING Roofing tor Rail Road Depots, Engine Houses, strength, a finer finish, and is truer to gage, than any other GADDING, SHAFTING, TUNNELLING, and open cut work; also, to DEEP BORING FOR TESTING THE…
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