. Transactions of the Institution of Mining Engineers . SMALLMAN PATENTHAULAGE CLIPS. AUTOMATIC DETACHWENT. The 1912 lever has largelateral stops and awedge-shaped shouldered head The No. 4 ; lip hauls nearly1 ton on a gradient rising25 inches to the yard. Patentees and Sole Manufacturers James W. Smallman, Ltd. NUNEATON, ENGLAND. ADVERTISEMENTS. xiii CONVEYORS, Driven by ELECTRIC MOTORS, AIR ENGINES, or SPIRO DIAMOND COMPRESSED AIR TURBINE DRIVEN CHAIN COAL-CUTTER. DIAMOND COAL-CUTTER CO Branch Works at UDDINGSTON, near Glasgow. WAKEFIELD, England.

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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries