Scientific American, NOVEMBER 17, 1900. 317 … Door hanger, sliding, H. Wesnidg @ constructed. Canbe run at uation to any size, can be re- Door lock, C. E. & J. Arner...... any desired speed. Perfect- leased from threading while in GERE GASOLINE ENGINES Door, railway grain, J. Kolb. Ly aurable: Al] parts are inverchangenble. Needs no motion,…
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