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Scientific American, Vol. 72, No. 15 (1895) (1895)

leaf 3

An illustration from Scientific American, Vol. 72, No. 15 (1895), 1895, leaf 3
, and a depending curved arm in walled well, having preforations near its bottom microscopical analysis of steel. The method pro- which is pivoted the shank of a shell holder and through which the ink flows slowly from the reservoir. posed comprises, in addition to the preliminary process guide,… … also to enable consumers to determine the quality of the metal supplied to them. BLACK’S INK WELL, ot i r On the outside of the removable well is a vertical eap or primer is to be ejected by the punch on the Suppression of Bone Black. outer end of the holder. On the under side of the groove,…

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