An 18th centruy Ivory hydrometer in an original rosewood case. In the reservoir are several of lead weightballs to adapt the weight of the hydro-meter which is required to determine the liquid. By changing the number of lead balls in the container, the weight of the specific hydro-meter can be changed. There is a scale of 1 to 12 over a length of 5.7 cmand there is a “P”engraved in the hydrometer. The Hydrometer length is 11 cm, and the rosewood case has a diameter of cm. Im good condition.
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Van Leest Antiques
Van Leest Antiques, based in Utrecht in the Netherlands, specialises in antique scientific and medical instruments. Their collection covers mainly scientific and medical antique instruments: barometers, globes and planataria, nautical instruments, anatomical models, and pharmacy items. Toon Van Leest travels regularly in Europe and visits trade fairs, auctions, and antique dealers to collect stock and to find pieces to fulfil his clients' unusual requests.
As well as being an avid antique collector and dealer, Toon Van Leest is also a dentist. He believes that antiques are a stable investment, not reliant on trends or fashion, and have truly lasting value. Above all, he says, antiques are timeless and never lose their beauty.