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Title: Example of modern Horstmann electric time-switch for street [Go to resource]
Description: Example of modern Horstmann electric time-switch for street lights, driven by synchronous motor and fitted with solar dial, no.6582. Front plate has been separated for display. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: timer
electrical street lamp controllerSource: Science Museum Creator: Horstmann Gear Company Ltd. Identifier: 1938-138 Go to resource More Like this...
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