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

leaf 5

An illustration from Scientific American, Vol. 21, No. 5 (July 1869), 1869, leaf 5
a screw, turned around so that the abdomen of the spi- direction. The amount of lead to effect this is, asbef ore stated, silk supplied by each worm, two and a quarter grains ; but der points to the right; and we are ready to begin the reeling dependent on speed, condition, weight of reciprocating… … The important saving effected by filling the steam 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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