highball (railroad usage)

[James A. Landau]

In a message dated 03/13/2002 12:34:21 PM Eastern Standard Time,
JJJRLandau at AOL.COM writes:

> So far I have found that signals such as the "highball" first appeared in
the
>  United States in the mid-1860's, and were largely derived from British
>  railway practice.  I have not found any citations.

I still have not found any citations, and I am hereby admitting defeat.

      Jim Landau