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Title: Altitude Slide Rule [Go to resource]
Description: ALTITUDE SLIDE RULE No 659 DRING & FAGE, LONDON 1916 slide-rule Publisher: http://www.iwm.org.uk Source: Imperial War Museum Creator: Dring & Fage, London Identifier: http://www.iwm.org.uk/collections/item/o... Go to resource More Like this...
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