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
sisted of hollow and concentric cones sur-rounding and fixed to an axis of revolu-tion. The water was made by the revo-lution of the system to rise between thecones, and was delivered in like mannerat the top into a circular trough. One ortwo partitions dividing the conical annu-lar space in which… … Fig;. 56.
Machinery · Scientific apparatus and instruments
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