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Scientific American, Vol. 58, No. 13 (March 1888) (1888)

leaf 6

An illustration from Scientific American, Vol. 58, No. 13 (March 1888), 1888, leaf 6
Belting Company, has proofing woolen goods : A solution is made of 100 parts " Why don't you say a good word for butternut, which, of alum, 100 parts of glue, 5 parts of tannin, and 2 parts recently secured a patent. This machine is to accom- of all the woods suitable for finishing purposes, is the… … BELT STBETCHING AND TESTING MACHINE. supply in this market comes from Wis- rendered waterproof is kept in it for half consin. It is growing scarce, and the an hour, then withdrawn, and the moist- only thing I have against butternut is that there is pot ure is allowed to drip from it for several…

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