This section is from the book "Applied Science For Metal Workers", by William H. Dooley. Also available from Amazon: Applied Science For Metal Workers.
The Beaume hydrometer is used to determine the strengths of liquids in bleacheries, etc. The readings are expressed in degrees which may be changed into specific gravities by this formula:
Sp. gr. = 146.3 / 146.3 - N-----------
N is the reading on Beaume scale.
Example. - Change 30° Beaume to specific gravity.
Sp. gr. = 146.3 / 146.3 - 30 = 146.3 / 116.3 = 1.258
 
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