(n.) A contrivance in some of the ealier steam engines for moving the valves for the alternate admission and shutting off of the steam.
SPANNER
Meaning of SPANNER in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) A contrivance in some of the ealier steam engines for moving the valves for the alternate admission and shutting off of the steam.
Webster's English dictionary. Английский словарь Webster. 2012