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Scientific American, Vol. 18, No. 25 (1868) (1868)
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ivity similar to that of metals. oh celebrated heater, but any further information needed and tho natural crystalline peroxide of the purest quality. This THE REYNOLDS AIR-TIGHT HEATER. is broken up and placed in a porous vessel, where it sur- Fig. 3. These engravings represent the mode of… … of solid manure. © 1868 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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