Six movable models of automatic break valves for Westinghouse locomotives : No. 50-55.

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Bibliographic Details
Format: Book
Published: Scranton, PA ; International Textbook Company, [1920]
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

Holdings details from Special Collections
Call Number:
625.25 S625s 1920 Available  Special Collections (room use only) - Click here to request