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Scientific American, Vol. 40, No. 21 (May 1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 40, No. 21 (May 1879), 1879, leaf 7
alent to the focus of the lens, so that no adjust- so that the draught produced by it carries off the fine dust trials were recently made with a model boat 5 feet in length ment will be required. The square aperture in the handle arising from the stone. fitted with an ordinary screw driven by… … Apart of the dead wood, l1^ inch long, was insurance companies to inquire if he has not DEAL'S FLOUR GRAIN AND BOLTING CLOTH INSPECTOR. then removed from the stern, and the screw got a cesspool leaking into his well, or un- was placed 2 inches from the end of the trapped pipes beneath his basins…

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