Description
Two uncoupled negative semaphore blades and a partially open, gray lattice mast are included. The signal changes from red (Hp 0) to green (Hp 1) or red (Hp 0) to green/yellow (Hp 2).
Two uncoupled negative semaphore blades and a partially open, gray lattice mast are included. The signal changes from red (Hp 0) to green (Hp 1) or red (Hp 0) to green/yellow (Hp 2).
