Chelsea Boston Shipstrike Mechanical Ships Clock Battle Indicators are not affected by

Indicators are not affected by local magnetic disturbances

It is marked on its face: AC US ARMY

The bombardier could control the top front and bottom front remote gun turrets using this pedestal sighting station

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

Our example is in excellent condition given its age

Chelsea Boston Shipstrike Mechanical Ships Clock Battle Indicators are not affected byThis 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.