Philips' Planisphere Showing The Principal Stars Visible For Every Hour In The Year. George Philip & Son, Ltd., The London Geographical Institute, 32 Fleet Street, London, E.C.4. Philip, Son & Nephew, Ltd., Liverpool, 1. Printed in Great Britain By George Philip And Son, Ltd., London.
A 10 inch diameter central thick card circular dark blue disc with lithograph of constellations, the edge of which shows all twelve months, surrounded by a rotating morocco gilt lettered time indicator with 4 arrows, incl. one with a metal hole for suspension, 12 inch diameter to arrow tips. The explanation of how it works to the back board.
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