Tools of the Trade
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.
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Brass Key FrontBrass Key Front