Old hydrometer measuring alcohol in glass circa 1900. Lead ball aerometer.
Measuring device in very good condition in its original cardboard box.
Length 14.5 cm. Length of the case 20.5 cm for a diameter of 2.6 cm - total weight 27 g
Old hydrometer measuring alcohol in glass circa 1900. Lead ball aerometer.
Measuring device in very good condition in its original cardboard box.
Length 14.5 cm. Length of the case 20.5 cm for a diameter of 2.6 cm - total weight 27 g
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