Vintage ESB Incorporated V-2-B Hydrometer Cat. No. 13390 Battery Tester USA
This listing is for a vintage ESB Incorporated V-2-B Hydrometer, Cat. No. 13390. This classic test instrument is designed for measuring the specific gravity of liquids, commonly used for testing battery electrolyte. The hydrometer is made in the U.S.A. and comes with its original cardboard storage box. The device itself is in good vintage condition, showing some signs of age and use consistent with a vintage item. The box has wear, staining, and creases. Please refer to the images for a detailed look at the item’s condition. A great piece for collectors of vintage test equipment or for those needing a functional hydrometer.