A rare Dollond ivory and ebony parallel rule,  English,  dated 1776,
Lot 86Y
A rare Dollond ivory and ebony parallel rule, English, dated 1776,
Sold for £1,920 (US$ 3,225) inc. premium
Lot Details
A rare Dollond ivory and ebony parallel rule, English, dated 1776,
stamped DOLLOND LONDON 1776, the two brass runners with ivory scales connected to central enamel dial blued steel pointer and 1-12 scale, in original fishskin covered and green velvet lined case 9in (23cm) long

Saleroom notices

  • Please note that the date of this instrument is circa 1780 and the serial number is 1776.
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Contacts
  1. Jon Baddeley
    Specialist - Scientific Instruments
    Bonhams
    Work
    Montpelier Street
    London, SW7 1HH
    United Kingdom
    Work 0207 393 3872
    FaxFax: +44 20 7393 3873