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Post by maui_chimes on Jul 29, 2021 18:21:09 GMT
I tried to search for info on the early National cones without the spiral reinforcement. I wasn't able to find much, even in the reference books.
Does anyone have info on the timing/serial numbers for the introduction of the spiral cones? When did they stop? I'm mainly interested in the triplate guitars but info on the single cones could be helpful to others as well.
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