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Scientific American, Vol. 37, No. 22 (December 1877) (1877)

leaf 7

An illustration from Scientific American, Vol. 37, No. 22 (December 1877), 1877, leaf 7
rge scale, according to my directions. V-shaped flange to fit in said grooves, and turning therein. pearance of the ware, the drawn and moulded shellac Is put Ten parts of pulverized shellac is dissolved with four parts To the nut, C, an external sleeve, D, is fitted, which for some 34 hours m the… … served byjacobsen and Peltz. The cause colorecl plates; take a proof on a sheet of of this is the insolubility in alcohol of a silver paper, which is immediately trans- NEASHAM'S TOOL POST FOE LATHES. resin which is contaminated in the crude ferred on the tablet of the glass destined shellac, as…

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