-Movable Brake Valve
![[Movable Model of an Automatic Brake Valve for Westinghouse Locomotives : No. 50.]](https://omeka.lehigh.edu/files/fullsize/aafd08ff93ba7126b0feacfabcdacee5.jpg "[Movable Model of an Automatic Brake Valve for Westinghouse Locomotives : No. 50.]")
International Textbook Company
[Movable Model of an Automatic Brake Valve for Westinghouse Locomotives : No. 50.]
Scranton, PA: International Textbook Company, [1920].
Lehigh University Catalog Record: https://asa.lib.lehigh.edu/Record/11133330
Image Gallery
![[Movable Model of an Automatic Brake Valve for Westinghouse Locomotives : No. 50.]](https://omeka.lehigh.edu/files/thumbnails/cb8159a04d240956078ed01340e75f08.jpg "[Movable Model of an Automatic Brake Valve for Westinghouse Locomotives : No. 50.]")