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BOARDMAN, 1709
細節
AN ENGLISH SILVER PERPETUAL CALENDAR
BOARDMAN, 1709
engraved volvelle for days of the week signed Boardman 1709, reverse volvelle with viewing windows for month, length of day, night, sunrise, sunset, circumference with engraved wheatear border
1¼in. (3cm.)
BOARDMAN, 1709
engraved volvelle for days of the week signed Boardman 1709, reverse volvelle with viewing windows for month, length of day, night, sunrise, sunset, circumference with engraved wheatear border
1¼in. (3cm.)
來源
The Time Museum, Inv. No. 3723
Christie's South Kensington 14 April 1988, lot 82
Christie's South Kensington 14 April 1988, lot 82