Hague, Charles Arthur · New York : McGraw Publishing Company · leaf 165
-trolled by brass springs, and work upon brass seats screwedinto the horizontal, flat valve decks, the suction deck immedi-ately below and the discharge deck immediately above theplunger barrel. The water cylinders were rather square andbox-like in their original form, and were thoroughly and…
Pumping machinery
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
