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Wheel and pinion ammeter with setting up springs for sensitiveness over restricted region
1882
Mill pinion in cast iron for 8 1/4" diameter metal rolling mill
gear wheel
1875-1900
Triplex 116046 chain pinion 38 teeth
Triplex 116046 chain pinion 38 teeth
Waltham pinion and gear cutting machine
Waltham pinion and gear cutting machine
