Model railway speed controller, roller (Bing Table Railway)
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| Exhibit |
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Model railway speed controller, roller (Bing Table Railway) |
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| location: |
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Arch Three , Area 48 Bing Table Railway (display) |
| Shelf 5 |
An small early 00-gauge trackside speed controller for the Bing Table Railway electric range.
The controller protrudes from the side of a curved section of tinplate three-rail track, and has a raised silver circular lip and a central axle, with a rotating panel with a metal double-roller that presumably makes contact with the metal lip above and some sort of electrically resisting material below, to provide a resistance whose value depends on the position of the rotating section.
