Description:
A glass tube with two identifiable sections. A first, very narrow one that takes roughly half of the tube's length and contains a paper scale, and a wider bulb that is partly filled with air and has about one-fourth of its length filled with lead shot at its extreme end.
Part of an original set of 20, now 22 including three duplicates and one missing.
Its scale goes from 1.120 to 1.190. The hydrometer is numbered "8".