hist-brewing: Hydrometers

Eric George egeorge at exactis.com
Mon Jan 17 08:07:34 PST 2000

allotta at earthlink.net wrote:

>>OxladeMac at aol.com wrote:
>>> Anyone know about when hydrometers were invented?
>>Mid 1800's?????????

>I recall seeing mention that it more like 3000 BC.

The *priciple* of buoyancy was discovered by Archimedes around this time,
but I don't think it was used for any practical purposes at the time.

Eric George

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