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Title: Clockwork aspirated psychrometer, M [Go to resource]
Description: Clockwork aspirated psychrometer, M.O.Mk 3, by Casella, London, 1968. Contains thermometers by Zeal, London, 1969. In fitted box 58x12x12cm License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: C.F. Casella and Co. Ltd Identifier: 1985-319 Go to resource More Like this...
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