Dates on an Edison and Columbia Q

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oltractor
Victor I
Posts: 167
Joined: Sun Oct 27, 2013 7:27 pm
Location: NE Pennsylvania USA

Dates on an Edison and Columbia Q

Post by oltractor »

I hope nobody minds me asking every so often for info on serial numbers as far as years built, this forum has people who are a wealth of knowledge, that said can anyone tell me about when a Gem D serial number 346696 was built, and a Columbia Q serial number 866215?
Thanks in advance

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