Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 365
348 PARIS UNIVERSAL EXPOSITION. … the wall by the straight tube e, which connects and is continuous withthe original spiral A, at the bottom. This tube e is not indicated inFig. 82. Fig. 82. M. de Marval causes this portion of the tube to passthrough the water tank G, forthe purpose of keeping up a con-stant supply of hot water for…
Machinery · Scientific apparatus and instruments
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