Thomas
Thomas Specific Gravity and Baume Non-Mercury Thermo-Hydrometer, 20 to 150 degree F, 1.000 to 1.220 Gravity Range, 15" Length
Thomas
Thomas Durac API Plain Form Hydrometer, 59 to 71 degree API Range, 166mm Length
Thomas
Thomas Durac Specific Gravity and Baume Plain Form Hydrometer, Heavier Than Water, 1.000 to 1.225 Gravity Range, 0 to 24 Baume Range, 165mm Length
Thomas
Thomas Specific Gravity Hydrometer, 0.8 - 0.9 Gravity Range, 150mm Length