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Scientific American, Vol. 96, No. 19 (1907) (1907)

leaf 7

An illustration from Scientific American, Vol. 96, No. 19 (1907), 1907, leaf 7
l compartments. phured ends are pressed firmly against the paste-cov- horizontally under a battery of vertical tubes sur- This operation is performed almost mechanically. The ered lower cylinder. mounted by a perforated plate on which the splints operator places the frame on the apparatus, unloads…

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