Flying Instrument [Philips Planisphere]
George Philip & Son Limited, Maker; Philip, Son & Nephew Limited, Distributor;
Philip, Son & Nephew Limited, Distributor
Flying instrument composed of two interlocking cardboard bases, one square and one circular. Circular board has a star map with a blue background and yellow and white text. The months are distributed equally around the edge so the date can be selected accurately. There is a leather disc on the front and the circular card can be rotated according to the time of year to determine pilot's location. "PHILIPS" PLANISPHERE / SHOWING THE / PRINCIPAL STARS VISIBLE FOR EVERY HOUR IN THE YEAR" impressed in gold. Dial is labelled around the rim with numbers in gold divided by time with "12" at the top and bottom.
Signed on the back "Jean Batten" on the top right corner in pen. There is an explanation of how to use the instrument on the back panel. "GEORGE PHILIP & SON, Ltd., The London Geographical Institute, 32 Fleet Street, London, E.C.3 / PHILIP, SON & NEPHEW, Ltd., 50 Church Street, Liverpool / PRINTED IN GREAT BRITAIN BY GEORGE PHILIP AND SON, LONDON". Two pieces of velcro attached to two sides of the back panel, presumably to attach object to a surface.
Jean Batten Hand-written
GEORGE PHILIP & SON, Ltd., The London Geographical Institute, 32 Fleet Street, London, E.C.3 / PHILIP, SON & NEPHEW, Ltd., 50 Church Street, Liverpool / PRINTED IN GREAT BRITAIN BY GEORGE PHILIP AND SON, LONDON Printed
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