Neat lot of two old gauges. Functionality unknown. Buy them for display or parts?
Lehigh Valley Railroad Westinghouse Air Brake Air Signal & Aux Eqpt Rules 1941
1904 *ILLUSTRATED* Westinghouse Air Brake & New York Brake 'Science of Railways'
Westinghouse Air Brake RR Freight Brake Equipments Maintenance manual 1971
Westinghouse Air Brake RR Locomotive Brake Equipment Instructions 1950
Westinghouse air brake company by Beacon gauge company main reservoir psi
Vintage Westinghouse Locomotive Brake Manuals Railroad Lot + Foldouts 1930's