1st Nov, 2018 12:00
Fine Photographica & Instruments of Science & Medicine
A Large Brass Equinoctial Sundial
French, early 19th Century, octagonal base with two levelling screws, plumb bob and central compass surrounded by wheat-ear engraving, compass without cardinal points, but divided to one degree with central rotating disc to indicate magnetic variation, latitude arc 0-90 degrees, hour ring IIII -XII, I -VIII divided to ten minutes, base 10cm across
French, early 19th Century, octagonal base with two levelling screws, plumb bob and central compass surrounded by wheat-ear engraving, compass without cardinal points, but divided to one degree with central rotating disc to indicate magnetic variation, latitude arc 0-90 degrees, hour ring IIII -XII, I -VIII divided to ten minutes, base 10cm across
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Auction: Fine Photographica & Instruments of Science & Medicine, 1st Nov, 2018
