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Scientific American, Vol. 88, No. 23 (1903) (1903)
leaf 4
z, which, furnishing a block is the extreme of sim- short route between two conti- plicity, and the operator will nents, is perhaps the next in find the tool useful because it commercial importance. This may be so easily released from canal, although it cost $140,- One angle, so readily adjusted… … © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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