US&S Wingnut (Union Switch and Signal)
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This is a wingnut modeled after a wingnut from a Union Switch and Signal Position Light signal box. These types of…
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Model information
- Source
- Printables
- Category
- Architecture & Urbanism
- License
- Creative Commons — Attribution — Noncommercial
This is a wingnut modeled after a wingnut from a Union Switch and Signal Position Light signal box. These types of signals were used initially by Pennsylvania Railroad (PRR) and the Norfolk and Western Railway (NWRY). The threads on this model are for 3D Printing and will work with a model of a Position Light box I will be releasing later. The threads probably wont work with a real light box as a replacement and wouldn't do well anyway as these boxes are cast iron. Included is a washer just like the prototype, but the prototype is a rubber washer to keep water out.
Category: Buildings & Structures