----- Original Message -----
From: Lutz, Hollie Jean <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, November 19, 1999 22:01
Subject: [IllianaRR] defect detectors
>
> Question: WRRS offered a somewhat primitive dragging equipment detector
> and it is not clear to me how this would be wired so as to alert the train
> crew of defects. What technology was available in 1938 to support this
type
> of installation? a dedicated lineside detector signal of some sort?
> integrated into CTC or ABS systems? Any ideas?
Some railroads had indicator lights set up a couple of miles past the
detectors to signal a train to stop and inspect for defects. This system was
in place on some railroads that used this technology well into the 80's when
radio talker detectors began to be introduced and gain widespread use.
Tuch
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