Dutch ivory travel sundial with compass and calendar

Dutch ivory travel sundial with compass and calendar

Stock Number: C410121-177

P.O.A.

Dimensions

Diameter 4.5 cm. Height (closed) 1.8 cm.

Circa

2nd half 17th century

Country of manufacture

Other

Categories: Calendars, Portable Sundials, Timekeeping

Description

Dutch ivory travel and pocket sundial with compass and lunar calendar. With initials: M/MV.
2nd half of the 17th century.
The horizontal, IIII – XII – VIII numbered silvered brass scale of the sundial has a folding gnomon for the fixed latitude of 52 degrees. The sundial is placed above a compass with a coloured compass rose of printed paper. The whole thing is contained in an ivory cylinder-shaped box with a lid. In the lid is an engraved brass lunar calendar, which is used to convert lunar time read on the sundial into solar time. The moon calendar has three scales. The inner scale, on a rotating brass disc with pointer, runs from 4 to 12 and from 1 to 8 with Arabic numerals. The two outer scales are engraved on an underlying fixed brass disc. The first of these scales is numbered twice from 1 to 12 and the outer one from 0 to 29, where 1 corresponds to New Moon and 15 to Full Moon. Through a round opening in the middle disc, the moon phase can be seen.
Measurements: Diameter 4.5 cm. Height (closed) 1.8 cm.

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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.