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Title: Spiralarm Type S automatic gas detector, maker: J [Go to resource]
Description: Spiralarm Type S automatic gas detector, maker: J.H. Naylor, Wigan, marking: makers name and object name, 1982 (sectioned) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Naylor, J.H. (maker) Identifier: 1982-1384 Go to resource More Like this...
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