Pumping machinery : for operation by any power : single and double acting triplex pumps for various services, deep well power working heads, artesian well cylinders, rotary and centrifugal pumps manufactured by the Deming Company, Salem, Ohio, U.S.A (1915)
Deming Company · Salem, Ohio : Deming Company · leaf 157
153 C-H Single Pole Float Switch7and Pressure Regulator For Use with Self-Starters … Fig. 1512 S. P. Float Switch
Pumping machinery
Internet Archive · University of Pittsburgh Library · Public Domain Mark 1.0. Free to use for anything.