ASSOCIATION OF AMERICAN RAILROADS

COMMUNICATION AND SIGNAL SECTION 

TYPICAL CIRCUITS REPRESENTING CURRENT 

PRACTICE FOR RAILWAY SIGNALING

CONTENTS 1970

Very good in heavy duty binder, hundreds of sheets. Hundreds of circuits with descriptive/informative addendums some dating back to the 1940s. Measures approx. 14.5" x 9" x 2". Scarce. 

Loc: B2-3

RAILROAD SIGNALING CIRCUITS MANUAL AAR SIGNAL SYSTEMS 1940s-1970 LIGHTS YARDS

ASSOCIATION OF AMERICAN RAILROADS

COMMUNICATION AND SIGNAL SECTION 

TYPICAL CIRCUITS REPRESENTING CURRENT 

PRACTICE FOR RAILWAY SIGNALING

CONTENTS 1970

Very good in heavy duty binder, hundreds of sheets. Hundreds of circuits with descriptive/informative addendums some dating back to the 1940s. Measures approx. 14.5" x 9" x 2". Scarce. 

Loc: B2-3