$10.95
DS-00-189 C&O Operating Department Rules Oct. 1931, Reprinted Dec., 1947
This book as been annotated to indicate where color printing was used in the original to indicate signal colors (pages 29-41). If the
original signal was shown as white, no annotation has been made. The annotations are letters in circles, with a line drawn to the
signal, as follows:
G = Green
Y = Yellow
R=Red
DS-00-189 C&O Operating Department Rules Oct. 1931, Reprinted Dec., 1947
This book as been annotated to indicate where color printing was used in the original to indicate signal colors (pages 29-41). If the
original signal was shown as white, no annotation has been made. The annotations are letters in circles, with a line drawn to the
signal, as follows:
G = Green
Y = Yellow
R=Red
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