(n.) A telltale connected with a hoisting machine, to show, at the surface, the position of the cage in the shaft of a mine, etc.
INDICATOR
Meaning of INDICATOR in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) A telltale connected with a hoisting machine, to show, at the surface, the position of the cage in the shaft of a mine, etc.
Webster's English dictionary. Английский словарь Webster. 2012