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Title: Simplex patent steam engine indicator by Elliott Bros [Go to resource]
Description: Simplex patent steam engine indicator by Elliott Bros. London in box with 8 springs. The cock wanting Ex. G.W.R. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Elliott Brothers Identifier: 1975-204 Go to resource More Like this...
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