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Scientific American, Vol. 1, No. 7 (1859) (1859)

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An illustration from Scientific American, Vol. 1, No. 7 (1859), 1859, leaf 0
t, as invented by W. R. Cox, of Delhi, Iowa, and which is In our last issue, we gave our assent to the practica- represented in the accompanying engravings, Fig. 1 bility of the irrigation system proposed by our Canadian far as I have been able to test it, which I have done to a correspondent on… … connected by a cord, K, posed. He must alsomake COX’S IMPROVED GRAIN SEPARATOR. that passes over a pulley allowance for the diminish- with a weight, L, which ed pressure of the atmos- can be adjusted to give any desired strength to the blast. The operation is as follows: The fan, C, being set in…

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