Chelsea Boston Shipstrike Mechanical Ships Clock Battle to keep the unit in

to keep the unit in a caged position for transport

which was the WWI precursor (from 1914-1918) of today's US Air Force

The glass and case are intact and the markings are in perfect condition

The C-5 Gyro Horizon was used across all aircraft of the US Army Air Corps

Our example is in excellent condition given its age

Chelsea Boston Shipstrike Mechanical Ships Clock Battle to keep the unit inThis is an authentic Chelsea Boston Shipstrike Mechanical Ships Clock. The clock runs and chimes but has not been fully tested for accuracy. The winding key is not included. Measures 5 3 8 inches diameter and 3 3 8 inches deep.