Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules (1908)
National correspondence school of railroading, Chicago. [from old catalog] · [Chicago] · leaf 411
bJD fa <U bfl c c s JH .o o -a<u a ^**^.5 v CO > ^ I W.M C3 •0* STANDARD CODE OF SIGNALS. 399 DIAGRAMS OF FIXED SIGNALS. NOTE. The colors used for caution signals vary,on different roads. 400 STANDARD CODE OF SIGNALS.
Locomotives
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
