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 207
Fig;. 56. … CENTRIFUGAL PUMPS—BLOWING MACHINES. 191 volumes of water; but the useful effect, as shown by experiments on Mr.Piattis machine, does not exceed one-fifth of the power expended. In 1850, or about that date, a centrifugal machine was exhibited inNew York, which was claimed to be a realization of the…
Machinery · Scientific apparatus and instruments
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