Propeller Feathering Switch, 560B24 Signal Corps US Army Despite slight discoloring of the

Despite slight discoloring of the cover

27003) lit up

This is a Beam Compass Indicator

the clock seems to operate as it should

Maintenance by a knowledgeable technician is suggested

Propeller Feathering Switch, 560B24 Signal Corps US Army Despite slight discoloring of theThe Propeller Feathering Switch was located on the Pilots' instrument panel or pedestal of US Army Air Force and US Navy multi engine aircraft, one for each engine. In the event of engine malfunction or damage while in flight, the pilot or co pilot 'feathered' the propellor of the stricken engine, which placed the pitch of the engine's propeller blades parallel to the direction of flight. This would prevent the propellor from 'windmilling', or