H.S. THON brass ring Sundial.

H.S. THON brass ring Sundial.

Stock Number: 380301 D

€ 250,-


Diameter 3,2 cm



Country of manufacture


Categories: Portable Sundials, Timekeeping


A Brass ring sundial, “To H.S. THON ANNO 1721” and with months of the year and hours, sliding ring to centre. Diameter 3,2 cm. The ring sundial is a replica from 1721 model and is made in the 1970’s.

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NL Van Leest Antiques

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.