A brass and marble cannon sundial or noon day gun, French, circa 1800,
Lot 142
A brass and marble cannon sundial or noon day gun,
French, circa 1800,
£1,500 - 2,000
US$ 2,500 - 3,400
Lot Details
A brass and marble cannon sundial or noon day gun, French, circa 1800,
made for latitude 43 degrees 33 minutes, the circular marble base mounted with shaped gnomon, a large burning lens adjustable against a quadrant with calendar scale and a small signal cannon, 10½in (27cm) diameter

Footnotes

  • Cannon dials were popular throughout the 18th century. The burning glass would receive the sun's rays at noon and ignite a fuse on the cannon and thus fire the gun giving a signal for midday. All in the vicinity would then be able to adjust their pocket watches to the correct time.
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
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