©
Mark Vogel: Wabash and Nickel Plate Road Signal Rules 1933 Cover
©
Mark Vogel: Wabash and Nickel Plate Road Signal Rules 1933 page 1
©
Mark Vogel: Wabash and Nickel Plate Road Signal Rules 1933 page 2
©
Mark Vogel: Wabash and Nickel Plate Road Signal Rules 1933 page 3