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Title: Balloon theodolite MkII by E [Go to resource]
Description: Balloon theodolite MkII by E.R. Watts and Son, 1943, maker's no.26674, M.D. no.839/43, complete, in fitted box, 30 x 27 x 24cm License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1943 Source: Science Museum Creator: E.R. Watts and Son (maker) Identifier: 1985-805 Go to resource More Like this...
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