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Title: Attachment for Wilson & Dalby Director (Instrument Measuring Travel Correction - vertical) [Go to resource]
Description: Used by anti-aircraft sections, and designed to measure vertical deflections of aerial targets director attachment Publisher: http://www.iwm.org.uk Source: Imperial War Museum Creator: George Kent Ltd Makers, London & Luton Identifier: http://www.iwm.org.uk/collections/item/o... Go to resource More Like this...
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