Block indicators in train order offices

[NW Mailing List]

On 5/17/2017 6:55 AM, NW Mailing List wrote:

> I have attached a photo of a block indicator that I believe was used 
> in a N&W train order office.  I understand that the standard practice 
> was for these indicators to show a continuous light for both "EB" and 
> "WB" that would extinguish when a train occupied a block.  Does anyone 
> recall seeing these in train order offices or depot agencies?

Frank,
     There was one in the yard office in Shenandoah, but, it looked 
nothing like that.

Jimmy Lisle