These are models of Union Switch & Signal Company style B lower quadrant semaphores. These were first patented in 1898 and were used throughout the 20th century.
The American Limited – LOWER QUADRANT SEMAPHORE kit includes the following parts:
- 1 – Arm Sprue
- 1 – Clear Lens Sprue
- 1 – Box Sprue
- 1 – Tower Sprue
- Instructions to assemble the semaphore
All parts are pre-painted to make your kits easy to assemble. Just scrap the joint before assembling and gluing