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Scientific American, Vol. 40, No. 6 (February 1879) (1879)

leaf 10

An illustration from Scientific American, Vol. 40, No. 6 (February 1879), 1879, leaf 10
o ity of the cylinder, in combination with the vibratory mo- anywhere in Mesopotamia. With such a comprehensive the duty it is to perform. The aim is to employ, in every part tion endwise, are elements peculiar to this machine, and seem grant, districts will be opened that have not hitherto been of… … has patented a Chimney Cowl orVentilator design- or o f Philip Medart, 107 Market street, the same ed to deflect the natural currents of air so that a city. HARD ROLLED IRON AND STEEL RIM PULLEYS. © 1879 SCIENTIFIC AMERICAN, INC.

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