22 IMPROVED HAND AND BENCH VISE. IMPROVED AWNING AND VENTILATOR. B. F. STEPHENS' SOLID STEEL HAND AND BENCH VISE. DR. DWINELLE S WINDOW AWNING AND ROOM VENTILATOR., scientific american, 1881-01-08
22 IMPROVED HAND AND BENCH VISE. IMPROVED AWNING AND VENTILATOR. B. F. STEPHENS' SOLID STEEL HAND AND BENCH VISE. DR. DWINELLE S WINDOW AWNING AND ROOM VENTILATOR., scientific american, 1881-01-08
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