Astro Compasses

The original British version and a later American (Spirti) version

Note that the only difference is in the shape of the Head unit. There is yet another version which I had forgotten about till looking through my data. Marked with D.E.P. Co. and thought to be of Canadian manufacture, I have yet to track down any hard information on this one.

 



       


   

 




Yet again a slightly different Head Assembly. Even tighter corners compared to the British Version.

Many thanks to
Johannes M. Vogt for the above photos.
I think taken at the AERO SPACE MUSEUM CALGARY ALBERTA

 

 

 

 

 

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