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Title: break knife edge switch
Description: Copper break knife edge switch, brass terminals on polished wooden base, wooden switch handle License: http://www.stickii.co.uk/umis/termsandconditions.html#heriot-watt-rights Publisher: Heriot-Watt University Archive, Records Management and Museum Service, Edinburgh Campus Rights holder: 46182 Subjects: Physics Source: Heriot-Watt University Creator: Department of Physics Identifier: HW.Phy.0225 More Like this...
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