An electron tupe amplifier using 60-cycle alternating current to supply power for the filaments and plates

✍ Scribed by Ould, R. S.

• Book ID: 115374684
• Publisher: Optical Society of America
• Year: 1923
• Weight: 96 KB
• Volume: 7
• Category: Article
• ISSN: 0030-3941
• DOI: 10.1364/JOSA.7.000354