HIGHBALL SIGNAL Signals of this type were used on early railroads to control train movements. When the tract was clear, the station agent would hoist the ball, permitting the train to proceed. The signal is listed in the National Register of Historic Places.
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The Delaware Public Archives operates a historical markers program as part of its mandate. Markers are placed at historically significant locations and sites across the state. For more information on this program, please contact Katie Hall at (302) 744-5036 or via email at email@example.com.
LOCATION: Delmar. On North Pennsylvania Avenue, approximately Ż mile north of Delaware-Maryland state line.