AN IVORY HYDROMETER
ENGLISH, 18th CENTURY
Boyle-pattern hydrometer of turned ivory, the stem divided 1-12, lead clippings inside, in a tured lignum case -- with a fruitwood and ivory stethoscope.
6in. (15cm.) long in case (2)
AN IVORY HYDROMETER
ENGLISH, 18th CENTURY
Boyle-pattern hydrometer of turned ivory, the stem divided 1-12, lead clippings inside, in a tured lignum case -- with a fruitwood and ivory stethoscope.
6in. (15cm.) long in case (2)
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