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Scientific American, Vol. 42, No. 17 (April 1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 42, No. 17 (April 1880), 1880, leaf 7
kewise bears and easily as a noiseless sewing machine, and is a splendid B, which moves on rollers and may be run out to 75,000 lb. an Etruscan inscription, one of the most ancient known. piece of mechanism, fitted up with the latest improvements, The light beam, C, hasa finer graduation onit… … ped into gear. As wood, and to mills the strain on the or mines using specimen increases BOILER PLATE TESTING MACHINE. large quantities this the beam of the should be a material scale rises, causing the automatic poise, D, to move along object. Bodie can now boast of one hundred and fourteen ously…

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