Gear's illustrated catalogue of wood and iron working machinery (1872)
A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 126
Sectional View The operation of the pump above ilkistrated is as follows: The several chambers or passages being full ofwater, aud the bucket, B, being at its upward stroke, the water through the lower or induction valve will, of course,have filled the water cylinder, F, while the water which had…
