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Combined Protractor and Parallel Rule in cardboard container: Flight Lieutenant Laurie Raymond Jones, 160 Squadron RAF
Technology
Maker: W & G
Clear celluloid "Douglas" Combined Protractor and Parallel Rule in green cardboard sleeve. The front of the sleeve is printed 'W & G/ "DOUGLAS"/ COMBINED PROTRACTOR/ AND PARALLEL RULE/ AN ACCURATE IN...REL48390
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Frewin Navigational Computer in leather pouch: Flight Lieutenant Laurie Raymond Jones, 160 Squadron RAF
Technology
Maker: W & G
Round cream celluloid Frewin Navigational Computer printed on both sides. One side has a central cream disc and clear celluloid arm which move against calibrations on the outer disc by means of a cent...REL48389
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QF 25 Pounder Correction Rule BC No 3 Mk I
Technology
Maker: W & G
QF (Quick Firing) 25 Pounder Field Gun Correction Rule BC No 3 Mk I in a wooden box. The instrument is rectangular with the obverse being a single sheet of steel on which is set a series of four matri...REL44516