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Scientific American, Vol. 34, No. 5 (1876) (1876)
leaf 7
t. It is usual to cover the upper lowered, so that the face of the wheel will only project may be closed up to the blade and adjusted to compeasate wheel with elastic materia: which, to some extent, yields to through a table secured to the top of the bed, and in this for wear. The back thrust guide… … © 1876 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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