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Title: Two-way switch by Woodhouse and Rawson, 1889 [Go to resource]
Description: Two-way switch by Woodhouse and Rawson, 1889. (?) slate switch, dulled metal cover License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1889 Source: Science Museum Creator: Woodhouse and Rawson (maker) Identifier: 1985-980 Go to resource More Like this...
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