The museum's 6 bolt, 14 pin tube is paper tagged:
Developmental type - C73293C
Serial: L1188
Also on the tag: 1350
I can't find a number stamped on the rim, but my rim is rusted and dented.
We also have a single gun developmental tube, paper tagged:
Developmental type: C73275
Serial: CR3089-1, DK29217
Also on the tag: H-357
Rim: DT45
In paint on the metal shell: DK29217
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