Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 87
in the diving bell 5 hours in the day without coming up ;and in the summer one set of men are down 10 hours one day, and 5 the next, and so on alternately.Figs. 237, 238, are sections and plans of means adopted by blasting to improve the navigation ofthe river Severn. Pipes 3i to 4 inches in… … / / VWi
Mechanical engineering · Mechanics · Engineering
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