'Beck's scale' definitions:

Definition of 'Beck's scale'

From: GCIDE
  • Beck's scale \Beck's scale\ A hydrometer scale on which the zero point corresponds to sp. gr. 1.00, and the 30[deg]-point to sp. gr. 0.85. From these points the scale is extended both ways, all the degrees being of equal length. [Webster 1913 Suppl.]