The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a reciprocating or diaphragm pump in which the reciprocating motion of the working member is accomplished by means of a steel plunger in the magnetic field of a solenoid. The solenoid is connected to a power source.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.