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Scientific American, Vol. 18, No. 9 (February 1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 18, No. 9 (February 1868), 1868, leaf 7
contaminate the trap with his are the English concessionaires. The sample from which our the pin and take any portion of the draft, it being intended effluvia. engraving has been taken was manufactured by taking a disk only as a guide to the motions of the double-tree. The draft I'io. is received… … strands. The invention is one of promise, especially with re- Fig. 1 shows the trap ready set for its game ; two rats, gard to steel cables, to the manufacture of which the neces- seen through the broken side, drowning, and two others in sity for a weld has always been an insuperable objection.…

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