A REVERSE PRINTED PAPER QUADRANT
ATTRIBUTED TO WALTER HAYES (c.1618-1696)
printed from a 5-inch Gunter-type horary quadrant by Hayes, the celestial map featuring a reverse image of the six constellations from the volvelle with reverse calendrical scale, graduated reversed hour-scale in I-XII twice
5¼ x 7½in. (13.4 x 18.9cm.)
Literature:Bryden, D. 'The Instrument-Maker and the Printer',
Bulletin of the Scientific Instrument Society 55 (1997) pp. 3-7.
Jardine, B. 'Reverse-printed paper instruments',
Bulletin of the Scientific Instrument Society (Forthcoming)
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Christie’s Digest feature.