hist-brewing: hydrometers

B.R. Rolya br at interport.net
Mon Jan 17 08:44:23 PST 2000


Acting on the same principal as the egg, I know that small (hollow) glass
balls of varying sizes were used in the 1700s (and probably earlier, but
the ones I've seen were from around the early to  mid 1700s) .  I believe
they were used primarily for determining alcohol for tax purposes.

- BR Rolya
Malted Barley Appreciation Society
New York, NY
http://hbd.org/mbas/




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