Vintage Western Electric Electron Tubes General Bulletin - Designs By Bell Labs
Vintage Western Electric Electron Tubes General Bulletin - Designs By Bell Labs
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Vintage Western Electric Electron Tubes General Bulletin - Designs By Bell Labs. Condition is "Used". Shipped with USPS Retail Ground.
This Western Electric Electron Tubes General Bulletin features designs by Bell Telephone Laboratories. Year of publication unknown. 15 pages, good condition.