Preserving Warbird artifact at a time.
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Aircraft Clock, AChS-1, USSR, Working

Manufacturer Unknown

Aircraft Clock, AChS-1, USSR, Working


This is a very competent example of the mechanical Soviet military aircraft chronograph, type AChS-1.  The electrical connection in the back is to power a heater to the instrument, along with the mounting bracket.

There is a helpful description of its multiple functions at and we won't bother to repeat it here.  

Once wound, the clock operates as it should.  Its nice to hear a ticking clock once in a while!

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