Show The railroads throughout hout the tho country coun- coun try are ore pretty rully discarding tJ tin the semaphore In III favor vr of lit lights The latter arc ule more discernible ut at all 1111 times 8 and at u greater grenter r distance and are aru less confusing They are ore more mOle e ou m. m teal In to Thorn nr A d 1111 I types 8 of ot light signals now V h being Installed says nn nu explanation of the 1 changes One Olle Involves the use of white lights eu the lights be be- Jog Jag arranged so II as to reproduce semaphore sema Indications Another type tYlle uses ved ed yellow fellow and 1111 green reen lights which are arranged In a 8 manner similar to the wl lights The rile third type tj also red yellow yellow and green lights but operated singly In n a manner monner to the systems now used In Inmany many cities for the tile regulation of street trams traffic l |