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Title: Cone Time, speed and distance computing dial [Go to resource]
Description: Cone Time, speed and distance computing dial, cardboard, by Commander R. Appleyard License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Appleyard, R., Commander (maker) Identifier: 1927-365 Go to resource More Like this...
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