One section on front is darker than the rest as shown in 1st photo.
Vintage 1993 Model RR NMRA Book Clinics Valley Forge Layout Photos Instructions
ILLINOIS CENTRAL RR - INSTRUCTIONS FOR THE ISSUANCE OF TICKETS - #S5 - 4/1/1959
Reading RR Instructions for Preventing Freezing of All Equipment 1944 bklt
Reading RR Instructions Governing Operation Inspection Maintenance of Air Brakes
Reading RR Instructions for Operating Inspection Maintenance of Air Brakes 1974
Pennsylvania RR Instructions: Preparation & Maintenance of Locomotive Fires 1944
