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Scientific American, Vol. 29, No. 1 (1873) (1873)
leaf 1
en or twenty days vable bar plate, which is secured in the side of the horizontal thus avoided. The cylinder has a movable cover so that the interior may be readily examined, foreign substances re- cylinder by bolts. By means of the scissor-like action of this from the time it leaves the bogs, it… … © 1873 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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