Lot 72

■ƒ
HORIZONTAL SOLAR BRASS DIAL BY JOHANN KOCH, CIRCA 1670
signed Koch fecit Berolini, the outer edge with hour
scale 3-12-9 divided every quarter
hour, gnomon folding at 52.5°, 16-point wind
rose inlay with blued steel
hand. 13 x 13 cm
US$1,200-1,700
£880-1,300
HORIZONTAL BRASS DIAL, BY JOHANN KOCH,
CIRCA 1670

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