A good example of an 18th century brass ring dial by John Gilbert , London. The well engraved dials are complete with a sliding suspension ring and peephole sight moving over calendar and zodiac signs.
John Gilbert was a mathematical instrument maker at Tower Hill, London
A ring dial by Gilbert is in the Science museum, London
Ask the Dealer
Our showrooms are set in a fine Georgian house in the heart of the historic city of Lincoln. Hansord Antiques always have an interesting selection of antique clocks and scientific instruments, in addition to our extensive stock of fine furniture and works of art. Members of the British Antique Dealers Association. www.hansord.com