Semaphore-3 and Semaphore-4, One each was used on the Boylan Tower.

NS Semaphore-4 on the left of above photo. Right photo, Semaphore-3 demo.

East Coast Laser Kit: Semaphore-3 and Semaphore-4 (NS) HO Scale

Semaphore 3 & 4
Retail: $7.95
Price: $4.95 ea

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The Semaphore-3 was used on the Seaboard side of the Boylan Tower. The Semaphore-4 was used on the Norfolk Southern side of the Boylan Tower and at the Norfolk Southern freight station in Varina NC.