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Scientific American, Vol. 42, No. 9 (1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 42, No. 9 (1880), 1880, leaf 7
those engaged in pursuits the establishments of which to both laborers and employers, for without a doubt more suffer periodical invasions by the rodents. Their annual work can and will be done when a protection of this kind is depredations cost millions of money. afforded. The invention consists… … ‘«« Like every industry which uses nite in question, however, had been BENTHALL’S COTTON PICKING SHADE, a water course, mine had suffered entirely replaced by chloride of particularly from the periodical invasion of rats, which, at silver, which had been partially reduced to the metallic con-…

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