A Troughton & Simms brass circular protractor in case,  English, mid 19th century
Lot 112
A Troughton & Simms brass circular protractor in case, English, mid 19th century
Sold for £687 (US$ 1,155) inc. premium
Lot Details
A Troughton & Simms brass circular protractor in case, English, mid 19th century
signed Troughton & Simms, London, with rack and pinion movement and two sprung marking pins, in fitted mahogany case with trade label printed Troughton & Simms Opticians and Mathematical Instrument Makers to the Honorable Board of Ordnance London, the instrument 6in (15cm) diam.
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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