Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 948
meter. The pistons turn on fixed centres, and are guided and controlled in their revolutions byelliptical gears attached to the part of the piston that revolves on the fixed shaft. The water,through the continuous movement of the pistons, passes through the meter in an unbroken stream.It is claimed…
Mechanical engineering -- Dictionaries
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