Moorhead and His Valve
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Tubes Shown in Vol. 20, No. 1 Supplemental Disc
Index and power tube scans on Supplemental Disc Click on Index to view or click pictures to enlarge X-Ray Tubes: WL PDFs Indexes to X-Ray Tube Data & Data Sheets: Click on any button to view the documents
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Vol. 21, No. 1
On the Cover On The Cover: A British playing card promoting the Mazda brand. In this issue