add. ·- a hydrometer scale on which the zero point corresponds to ·sp.gr. 1.00, and the 30°-point to ·sp.gr. 0.85. from these points the scale is extended both ways, all the degrees being of equal length.
BECK'S SCALE
Meaning of BECK'S SCALE in English
Webster English vocab. Английский словарь Webster. 2012