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Scientific American, Vol. 19, No. 10 (September 1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 19, No. 10 (September 1868), 1868, leaf 7
ssing " Woman's tached to the axis of the toothed sector, F, which drives a very soon the hygiodeik indicated 90°. The humidity waB Work," giveB the following : pinion attached to and moving the hand on the dial shown then readily reduced. Powder waB burnt in various parts of "According to thy… … main flue. The exhaust fan iB cheerfully given by Perkins, BROOKBANK'S PATENT "EAGLE" HEAD-BLOCK. used for the two chambers and Livingston & Post, sole manu- the green room only, the foul air of the other rooms passing facturers, Cincinnati, Ohio. Wilmington, Delaware, " I send thee some factB…

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