Six movable models of automatic break valves for Westinghouse locomotives : No. 50-55.
Scranton, PA ;
International Textbook Company,
|Notes:||Collection title from seller's description|
"Six mechanical models on heavy card stock that demonstrate the various workings of the Westinghouse No. 6 ET Locomotive Break Equipment. Each showing the functionality of a different portion of the brake valve. Some quite elaborate with double volvelle displaying numerous functionality's. Others simple paper slides. They are numbered 50-55. The reverse is blank. The largest is 11" X 9". The smallest 6 1/4" X 6 7/8" -- Seller's note.
|Description:||6 cards : illustrations|
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Location: Special Collections
|625.25 S625s 1920||Available Special Collections (room use only) - Click here to request|