101 AUGUST 12 1868. Improved Self-Acting Gate. Method of Locking the Nuts of Fish Plates. PERSEVERANCE ONE GREAT ELEMENT OF SUCCESS. NICHOLSON'S PATENT AUTOMATIC GATE. An Engineering Feat. The Chemistry of Sunstroke. Bleaching and Granulating Sugars GARBER'S PATENT LOCK-NUTS FOR RAILWAYS, scientific american, 1868-08-12
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