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Hydraulic, steam and hand power lifting and pressing machinery
Uten tilgangsbegrensning - 1881
12 inches accumulator action advantage allow apparatus applied arrangement attached barrel bars base boiler bolted bottom brake bridge building cage carried cast cast-iron centre chain cloth Coal constructed cost cranes cylinder described designed direct distance Drawing edition endless engine especially feet fitted fixed floor four frames friction gear girders hand head heavy hoists hole hundredweight hydraulic illustrations inches in diameter keep keyed kind less lever lift light load lower machinery machines means motion obtained passing PATENT pipes plates portable Practical presses pressure prevent pumps rails raised rivetting rope round saving screw shaft shown side speed square inch steam steel stroke sufficient suitable taken timbers tons travellers Treatise turned usually valve various warehouse weight wheel wood wrought iron