A 7ins.(18cm) radius sextant,
amended
111
A 7ins.(18cm) radius sextant,
by J Coombes, Devonport. Reading from -5 to 140 degrees on the silvered scale, the index arm fitted with a magnifying lens and a vernier to 10 seconds, inscribed Arthur Henry Martin White RN. Fitted with a signle telescope, four sun and three horizon shades. No case.
Estimate:
£300 - 500
€350 - 580
US$ 470 - 780

Auction Notices

  • Please note that the illustration labelled lot 111 in the printed catalogue should read 112.

Category: Collectibles / Scientific Instruments

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Jon Baddeley Bonhams
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Specialist - Scientific Instruments