Antique French hydrometer in tin case

Antique French hydrometer in tin case. French, circa 1910. Used for measuring density of liquids in the brewing industry. Size of case: 9.25 x 6.25 x 1.25 inches. Weight: allow up to 1 kg once packed. Condition commensurate with age and use - various superficial marks & scratches to tin case but all part of its charm and character. Priced accordingly.