Apr 07, 2011 - Sale 2242

Sale 2242 - Lot 102

Price Realized: $ 1,320
?Final Price Realized includes Buyer’s Premium added to Hammer Price
Estimate: $ 500 - $ 750
(PLANISPHERE.) Philip's Planisphere showing the Principal Stars Visible for Every Hour in the Year. Lithographed circular star chart mounted on board disk rotating within die-cut overlay of gilt-stamped straight-grain morocco over board. 309x309 mm; light wear, one corner of overlay cracked. London: George Philip & Son, 1880s?
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Additional Details

Simple device for the recognition of the brightest stars and constellations seen from a given latitude. The days of the year are marked on the outer portion of the star chart and hours of the day and night along the edge of the overlay. The stars visible at a particular date and time can be seen through the elliptical aperture in the overlay by aligning the disk and overlay accordingly.