The tube appears unused based on visual inspection, with clean glass, crisp yellow markings, and a bright intact getter. Model: 348A. Vacuum tube / electron tube. Original Western Electric box included – 1949 date.
The tube appears unused based on visual inspection, with clean glass, crisp yellow markings, and a bright intact getter. Model: 348A. Vacuum tube / electron tube. Original Western Electric box included – 1949 date.