| The Spring Hill Tower employed the Saxby & Farmer mechanical lever system with electric locks. To move the levers which moved a long line of rods that moved the switches some distance away needed a "strong arm", hence the nickname for this type of system. |
| Date:
8/13/2023 |
Location:
Terre Haute, IN Map  |
Views:
38 |
Collection Of:
 
Gary Everhart |
|
Author: Gary Everhart
|
 |
| Picture Categories: Signal |
This picture is part of album: Spring Hill Tower - Wabash Valley RR Museum |