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Scientific American, Vol. 6, No. 32 (April 1851) (1851)

leaf 3

An illustration from Scientific American, Vol. 6, No. 32 (April 1851), 1851, leaf 3
ds to the driver, with whom he can since, with one of his best smiles irradiating confer whenever he desires. 6, to run upon the hinder guide: these brasses Improvement in Carriage Wheel Hubs. his countenance. We were pleased to learn are not set up snug against their guides, but We would call… … diameter, and forming a whip saw over it. This improvement is the invention of E. H. Many people suppose that there is power in gradually. The leather should be dried in the The pulley has cutters on it, and the stave is & Sandford E. Parsons, of Wilkesbarre, Lu- a lever. This is an error. A lever…

Patents · Carbonic · Ment · Iron · Wheel · Patent office · Vertical · Velocity equal · Linseed oil · Unsaturated steam · Carbonic acid · Specific gravity · Suspension bridge

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