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Scientific American, Vol. 18, No. 8 (February 1868) (1868)

leaf 3

An illustration from Scientific American, Vol. 18, No. 8 (February 1868), 1868, leaf 3
nd a beam of light vert its water into vapor, and this vapor is carried up into through the receiver, and let it fall on the screen. At first the air. What is the consequence ? I want to show you one Compositions having tar and resin for the basis are almost you will not see any appearance of… … allow it to expand, then the expansion of the air done, the composition may be put upon blocks, and upon ceiver. I will then ask Mr. Cottrell to work the air-pump, structures, warm, with a brush. On metal, it should be put on produces cold. I will show you one effect of and exhaust some of the air,…

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