Show LIGHTS LIGHTS REPLACE RELACE R R SEMAPHORE WASHINGTON W NoV NOT By 27 27 27 y I The Associated The Press Press Tho ral ral rail road s semaphore whose ose familiar r lines have have stood stood out so long long p against the sky In metropolis and aa tank town to is giving way to the march ot of o Industrial Reports to th the American Rail flail Ha Haway way way association show that electric lights are being substituted for f semaphore arms on most mod ot of the roads ot of the country The elec elec- electric trie signals A regarded as moro more economical r well as more ef ci- ci Three principal types of light light- found lag Ine have found favor One i In- In the he use of ot white lights only so arranged as as to reproduce duce duco the lines ot or the the semaphore |