Mechanical Telephone. Improved Peg Cutter. Portable Scaffold. Bain Water Cut-off. Improved Washing Machine. Oven Thermometer. A Business Man's Travels Abroad. A Costly Cellar. Improvement in Chimneys. I New Safety Lamp., scientific american, 1882-12-30
Mechanical Telephone. Improved Peg Cutter. Portable Scaffold. Bain Water Cut-off. Improved Washing Machine. Oven Thermometer. A Business Man's Travels Abroad. A Costly Cellar. Improvement in Chimneys. I New Safety Lamp., scientific american, 1882-12-30
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