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Scientific American, Vol. 74, No. 24 (1896) (1896)
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of automatic feed. place the old apparatus, which was worked by hand. | out of B and placed in D. By continuing this move- | All makers and users of water tube boilers are aware The introduction of the steam-driven tool has resulted | ment the tube can be carried through a line of holes |of the… … it far enough throygh the upper or lower FEED OF THE YARROW BOILER. : would cause a specially large escape of © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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