Vtg Buame & Specific Gravity Scale Hydrometer API Thermometer Lot Of 19

Gravity Hydrometer

Three (3) ERTCO Model 2549 Hydrometer Specific Gravity With Boxes

Precision Hydrometer Specific Gravity Fir Heavy Liquid

Vintage Balling Pyrex Hydrometer with built in thermometer and original box

Hydrometer Specific Gravity For Heavy Liquids. ERTCO 1.400-1.620

Hydrometer Specific Gravity For Heavy Liquids. VWR 34623-106

VWR Scientific. specific Gravity Hydrometer. 1.000-1.220