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Scientific American, Vol. 40, No. 3 (January 1879) (1879)

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An illustration from Scientific American, Vol. 40, No. 3 (January 1879), 1879, leaf 0
osited in of the latter in the wate- in which they have been washed. Silicale of soda with fecula is far the most injurious adulte- the fiber of the flax or cotton, and cannot be removed, rap- soft soaps: rant of soap, and it is also the one most usually employed. " One hundred parts of fatty… … alkaline; it is then corrosive, and attacks and destroys tbe I [Continued on pay«34.] TEE MAirUFACTUBE OF LEAD FEKCILS. © 1879 SCIENTIFIC AMERICAN, INC

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