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Scientific American, Vol. 32, No. 6 (February 1875) (1875)
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The cen about this machine, since the disk acts as a fan tering apparatus can be used or not, as desired. and blows them away through the shoot shown The disk on the left is rotated by mechanism at the right hand of the engraving. The heads by the driving pulley, which is thrown into or of a large… … Fig. 3.-MACHINE FOR TURNING HEADS OF DIFFERENT SIZES Pig. 2.-MACHINE FOR DRESSING BARREL HEADS. © 1875 SCIENTIFIC AMERICAN, INC.Patents · Improved · Gutta · Asks · Inches · Gutta percha · Percha · Postage included · Percha company · Scientific American · Steam boiler · Carbonic acid · Sewing machine · Leather dealers · Patent office · Find directions
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