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Scientific American, Vol. 21, No. 5 (1869) (1869)

leaf 5

An illustration from Scientific American, Vol. 21, No. 5 (1869), 1869, leaf 5
abdomen of the spi- direction. The amount of lead to effect thisis, asbefore stated, silk supplied by each worm, two and a quarter grains; but der points to the right ; and we are ready to begin the recling dependent on speed, condition, weight of reciprocating parts, even this is forty-five times… … The important saving effected by filling the stcam passages as much as a spider, what is the number of each required for The reel is either a cylinder or ring of some smooth sub- from the valve to the piston with the exhaust steam, will be a piece of woven silk? A yard of silk varies greatly in…

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