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Ball Turret Gun Sight


reinking71
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A very nice example of the K-4 as produced by National Cash Register. For more information on the K-4 check out this very interesting site:

 

http://www.glennsmuseum.com/bombsights/bombsights.html

 

And here is a link to a video of a ball turret that has been placed back in operation:

 

http://www.twinbeech.com/sperry_ball_turret.htm

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John Cooper

Very cool! I have considered branching out more into some of the gear but space is the issue... Thanks for posting!!

 

John

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