Chelsea Boston Shipstrike Mechanical Ships Clock Battle The glass and case are

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

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

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

Indicators are not affected by local magnetic disturbances

Chelsea Boston Shipstrike Mechanical Ships Clock Battle The glass and case areThis 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.