Object ID:
    100.008.018
    Object Name:
    Key
    Description:
    Original brass key.  It is marked CNW for Chicago and Northwestern.  
This key was used with a switch lock. Switch locks were used to secure railway switches in order to keep unauthorized persons from changing the switches and potentially sending a train down the wrong tracks. They were also used to secure signals and other railroad property and equipment.
  This key was used with a switch lock. Switch locks were used to secure railway switches in order to keep unauthorized persons from changing the switches and potentially sending a train down the wrong tracks. They were also used to secure signals and other railroad property and equipment.
