reinking71 Posted May 19, 2010 Share #1 Posted May 19, 2010 Picked this up recently and thought I would share it with the group. Link to comment Share on other sites More sharing options...
reinking71 Posted May 19, 2010 Author Share #2 Posted May 19, 2010 More Link to comment Share on other sites More sharing options...
HerbG Posted May 21, 2010 Share #3 Posted May 21, 2010 More 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 Link to comment Share on other sites More sharing options...
John Cooper Posted May 28, 2010 Share #4 Posted May 28, 2010 Very cool! I have considered branching out more into some of the gear but space is the issue... Thanks for posting!! John Link to comment Share on other sites More sharing options...
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