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Title: Synchronous motor driven timer of a type used for controllin [Go to resource]
Description: Synchronous motor driven timer of a type used for controlling street lighting, with subsidiary months dial, patents 448863 and 451447, without switch contacts and in incorrect case, unsigned but made by Horstmann License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1940-1974 Source: Science Museum Creator: Horstmann Gear Co. Ltd. (maker) Identifier: 1995-56 Go to resource More Like this...
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