IMPROVEMENT IN PASSENGER AND STATION-REGISTER, U.S. Patent #93,531, August 10, 1869
Here is a little something I found at the US Patents internet site [IMPROVEMENT IN PASSENGER AND STATION-REGISTER, U.S. Patent #93,531, August 10, 1869], that you may like to have. ...
It was interesting to see the names of the towns (1869) on the CPRR line.
"The object of my invention is to provide an improved mechanism to be attached to railroad-cars, so constructed that the various stations along the line will be indicated, so that each passenger can be informed, without the necessity of calling out the names."