Physics - Electronics, Lesson 2: Vacuum Tubes
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✎ Suggest a correctionCovers the historical development of wireless and radio from Marconi to the DeForest Audion.
Sources
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description
Record added 2026-09-11 00:38:51 · Suggest a correction