Block Indicators

[nw-mailing-list at nwhs.org]

In a message dated 3/26/2005 5:14:09 PM Eastern Standard Time, 
nw-mailing-list at nwhs.org writes:

> The first type was purely electrical... a sheet metal box with a lamp 
> inside and a "jewel" (green or red) on the front. 

There used to be one of these inside the station at Shenandoah. Red light 
indicating a train was in the block. There were two so that you could tell if the 
train was from the north or the south.
Jimmy Lisle
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