Thread: Curtis Mathes 4224
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Old 01-24-2019, 05:46 PM
cparsons2391 cparsons2391 is offline
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Join Date: May 2016
Location: Belleville, Ar
Posts: 15
The original Curtis Mathes tubes have date codes of 1959.

Sams Index says:
1959: Folder: 468 set 1
1959: Folder: 465 set 6
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