Union Switch and Signal Company
Section B, Signals
Plates B-2800 to B-2860, Inc.
Color Light Searchlight Signals
Plate B-2800, General Information
Plate B-2800, One-Unit, Color Light Searchlight Ground Signals
Plate B-2805, Two-Unit, Three-Position Color Light Searchlight Ground Signals
Plate B-2810, Three-Unit, Three-Position Color Light Searchlight Ground Signals
Plate B-2820, Three-Position, Searchlight Dwarf Signals
Plate B-2825, Three Position Color Light Searchlight Signal Detail Parts D.C. Searchlight Signal Unit
Plate B-2835, Color Light Searchlight Signal Detail Parts D.C. Searchlight Signal Relay (with contacts)
Plate B-2840, Color Light Searchlight Signal Detail Parts D.C. Searchlight Signal Relay (without contacts)
Plate B-2845, Color Light Searchlight Signal Detail Parts Marker Light, Style HC-33
Plate B-2850, Color Light Searchlight Signal Detail Parts Posts, Cable Outlets, Bases, Etc.
Plate B-2855, Color Light Searchlight Signal Detail Parts Ladder and Details
Plate B-2860, Color Light Searchlight Signal Detail Parts Brackets and Attaching Searchlight Signal and Marker Light to Post