Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 149
shed forwardand back in its cylinder by steam ; and by means of the rod to Note.—The hydraulic engine of Huelgoat, in Brittany, is used to draina mine ; is single-acting, and acts directly to lift the piston of the pump. Itmakes five and a half strokes per minute, the stroke being a little more… … Fig. 131. (^^^\ jm^
Hydraulic machinery · Pumping machinery
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