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Scientific American, Vol. 46, No. 24 (1882) (1882)

leaf 8

An illustration from Scientific American, Vol. 46, No. 24 (1882), 1882, leaf 8
ble chloride of calcium and Many weeks pass before it ventures to forsake its warm, of the surprise and chagrin of the farmer when on drawing iron. This salt is very simply obtained by treating powdered well furnished little house. Finally it takes the great step, in his stacks of grain, to find… … having been cut in many places by the crickets. Also I 24 hours the iron wiil be dissolved, and the liquid will be a noticed numbers of our common black blister beetle (Hpt- very acid chloride of iron. This liquid is then poured into | cauta pennsylvanica) denuding the ears of corn of the silk…

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