Spirit Bubbles hydrometer for measuring alcohol
Set of numbered spirit bubbles in a turned wood mahogany box 3" diameter. Each bubble is of a slightly different volume and is marked with the different specific gravity at which it just floats in an alcoholic liquid. Nineteenth century Price includes carriage. See also the set of bone sliderules for calculating the proof of an alcoholic drink on this web site
ASK A QUESTION ABOUT THIS ITEM
£170.00Box of "Spirit Bubbles" Hydrometer
