A rare Dollond ebony and ivory parallel rule, English, late 18th century,
105
A rare Dollond ebony and ivory parallel rule, English, late 18th century,
stamped DOLLOND LONDON 726, with two brass and ivory rollers and central white enamel dial with 1-12 inch scale and blued pointer, in green velvet lined shagreen case, the rule 9in (23cm) wide
Sold for £1,062 inc. premium

Footnotes

  • A very similar rule was sold in these rooms as lot 86 on 19th April 2011.

Category: Collectibles / Scientific Instruments

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Contacts

Jon Baddeley Bonhams
Work
Montpelier Street
London, SW7 1HH
United Kingdom
Work 0207 393 3872
FaxFax: +44 20 7393 3873
Specialist - Scientific Instruments