Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons
Dip Circle by J. J. Griffin & Sons

Dip Circle by J. J. Griffin & Sons

c. 1900 London

Offered by Hatchwell Antiques Ltd.

£1,150 gbp
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A late 19th century brass magnetic dip circle with a 7” dial, by John Joseph Griffin (1802–9 June 1877) of Long Acre, London. Marked Griffin London.

Dip circles (also dip needles) are used to measure the angle between the horizon and the Earth's magnetic field (the dip angle). They were used in surveying, mining and prospecting as well as for the demonstration and study of magnetism.
Dimensions
Height 29.00 cm (11.42 inches)
Width 23.00 cm (9.06 inches)
Depth 21.00 cm (8.27 inches)
Signed/Inscribed
Griffin London
Hatchwell Antiques Ltd.

Hatchwell Antiques Ltd.
533 Kings Road
London
SW10 0TZ

+44 (0)20 7351 2344
+44 (0)7768 862229
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