How do I operate a pocket compass sundial?

Pocket compass sundials combine a magnetic compass with a fold-down gnomon to indicate solar time and magnetic north simultaneously. The user levels the instrument and aligns the needle before reading the shadow cast on the dial face. These portable instruments served travellers and mariners for quick estimations of time and direction before reliable pocket watches became widespread.

What is a deck watch used for?

A deck watch is a portable precision timepiece carried on deck by navigators to take timing observations or to check the reading of the primary marine chronometer. They provided accurate timekeeping close to the action without requiring the master chronometer to be moved. These watches feature high-grade movements housed in protective metal cases designed to resist the damp conditions aboard ship.

How are ship lanterns dated?

Ship lanterns are generally dated by their construction materials, ventilation cowl designs, patent markings, and stamped maker plates. Copper and brass combinations were common in the late nineteenth and early twentieth centuries. Changes in maritime regulations regarding port and starboard signal colours also help narrow down the period of manufacture for surviving navigation lights.

Can antique marine telescopes still focus?

Many antique marine telescopes retain functional draw tubes and clear glass lenses capable of focusing on distant objects. The multi-draw design allowed sailors to adjust the focal length while maintaining a compact size for storage. Proper maintenance of the brass barrels and careful cleaning of the interior glass preserve the optical performance of these historical instruments.

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Maritime navigation antiques are working instruments of orientation and calculation that brought vessels safely across oceans, prized today for their historic mechanics.

1940 - 1960

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Tissot Mid 20th Century Deck Watch

From Hansord Antiques

£895

3+ MONTHS AGO

watches

Victorian Black Glass Artificial Horizon Set by John Lilley & Son London

19th century

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Victorian Black Glass Artificial Horizon Set by John Lilley & Son London

From Jason Clarke Antiques

£1,495

3+ MONTHS AGO

miscellaneous

1920 - 1940

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Thomas Mercer 2 Day Chronometer

From Finchingfield Antiques

£3,250

3+ MONTHS AGO

clocks

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Maritime Navigation Antiques

Tissot Mid 20th Century Deck Watch

Victorian Black Glass Artificial Horizon Set by John Lilley & Son London

Thomas Mercer 2 Day Chronometer

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