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Title: Pilot balloon slide rule Mk IV A, MET [Go to resource]
Description: Pilot balloon slide rule Mk IV A, MET. ref. no. 868A, 1956, in fitted box, 55x9x5cm License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1956 Source: Science Museum Identifier: 1985-210 Go to resource More Like this...
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