New combination use of radio with loudspeakers installed in Kansas Avenue yard at Springfield, Mo; each car inspector is equipped with light weight portable radio transmitter set for reporting defects; such messages are reproduced over yard loudspeakers for others concerned in operation; inspector can also transmit warning if he is working on car or between cars. (see also Ry Signaling and Communications v 46 n 2 Mar 1953 p 192-3)
Frisco's radio-loudspeaker system allows faster car inspection
Ry Age
Railway Age ; 134 , n 8
1953
2 pages
Article (Journal)
English
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