|Dimensions||10 × 4 × 1 in|
H-841 US&S Lower Quadrant Double Head Semaphore
US&S LOWER QUADRANT DOUBLE HEADED SEMAPHORE
2 arms-1 is red square and other is yellow fishtail, 1.5 Volt lamps red-red-green lens & yellow-red-red lens.
(Requires two (2) H-870 THREE POSITION BLADE SIGNAL MECHANISM for automation. See Options below.)
Availability: 1 in stock (can be backordered)