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Description: | This is a double break switch on a square slate base with a spun brass cover retained by screws passing through bayonet joint shaped holes in the flange. The contacts have springy jaws, and below the base a helical spring retains the contact bar in the off position.
Part: base, Material: stone, slate
Part: cover, Material: metal, copper alloy, brass | Source: | Tyne & Wear Archives & Museums | Identifier: | emu.ecatalogue.science&industry.482421 | Go to resource |
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