RE: (erielack) Erie Signals

["Tupaczewski, Paul R (Paul)" <paul.tupaczewski_@_alcatel-lucent.com>]

> Rich,
> 
> Many of the signal masts on the Erie NY Division were two 
> searchlight heads, the upper being on the right side of mast 
> and the lower on the left. As far as I can tell, these were 
> located on double or quadruple track at locations not having 
> Xovers, sidings or interlockings. What was the purpose of the 
> lower head?
> 
> Paul B 

Rich can probably explain in far great detail, but the lower head of two-head signals is not a distinctly separate piece. The two heads were taken in total as a signal indication, per the rule book.

	- Paul

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