In Reply to: Rear Axle Trumpets when did they change? posted by Farmer Dan on August 09, 2008 at 22:00:47:
I was wondering the same thing. I have some trumpets from 9N's that are solid. The oldest s/n in the group is 9N47611 (1940?). I also have 9N295654 (1947) that has the open block axles. So I can authoritatively say the changed happened sometime between 1940 and 1947. How's that for going out on a limb?
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