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Scientific American, Vol. 53, No. 15 (1885) (1885)

leaf 4

An illustration from Scientific American, Vol. 53, No. 15 (1885), 1885, leaf 4
g. 6, isa longitudinal section through the rounded with fulminate, and the two parts are put to- pools, the prompt obedience of the vesse! to the move- galleries and shafts; it gives also a correct idea of the gether, that containing the wires slipping within the sloping character of the river… … | by 214 inches in diameter, and il | holds 6 pounds. Rack-a-rock is a mixture of chlorate of potash and dinitro-benzole ; the ingre- dients are harmless until united. The mixing was done upon Great Mill Rock, in a lead-lined vat, the potash being made to pass through a finesieve, and the ben- the…

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