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

leaf 7

An illustration from Scientific American, Vol. 42, No. 17 (1880), 1880, leaf 7
this mass of ma- chinery is a 225 horse power poppet valve, set in a parlor apply 75,000 lb. strain with one hand. adjoining the amalgamating room. It works as smoothly It likewise bears and easily as a noiseless sewing machine, and is a splendid an Etruscan inscription, one of the most ancient… … 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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