A Dutch Holosteric (Anoroid) Barometer by Retailer J.A.M. Blekking ( 1826-1906) Rotterdam. The silver dial in a brass case gives the following scale from 63 to 80 with the text from “STORM – V. Regen – R. wind – VERANDERLIJK – Mooi W. Bestendig – ZEER DROOG”. On the back you find the signature of manufacture: PHNB which means Paul,Hulot, Naudet et Cie Barometers. The were very fine instrument makers. Diameter 17 cm and 5 cm depth.
Bekking made and sold scientific instruments. He worked from Rotterdam (Boerenvischmarkt 9). He gave several speeches for the “Vereeninging tot Bevordering van Fabrieks- en Handwerknijverheid” on electrical developments. Made physical and electrical instruments.
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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.