A rare Benjamin Martin ivory coin scale,  English, circa 1775,
Lot 117
Two rare Benjamin Martin ivory coin scales, English, circa 1775, (2)
Sold for £2,750 (US$ 4,619) inc. premium
Lot Details
Two rare Benjamin Martin ivory coin scales, English, circa 1775,
one stamped Martin fecit No. 272, the other Martin Fecit 3984, one with ivory beam calibrated on one side in 3d steps from 3s 6d to 21s and on the reverse in 6d steps from 22s to 36s, brass sliding weight and blued steel pointer, lacking coin clip, the other lacking sliding weight and coin clip but similarly scaled, in fishskin covered case pocket case, the beam 6in (15cm) long (2)

Footnotes

  • For similar scale, see inventory no. 35041, The Oxford Museum of the History of Science.

    See Retailer of Science, Benjamin Martin's Scientific Instrument Catalogues, 1756-82 by John R Millburn. Page 45 item 125, "Portable steelyard for weighing gold 5s 9d".
Activities
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