File:Tube and beam control knobs of Dual-beam Cathode Ray Oscillograph 322-A, DuMont Laboratories, c. 1950s.jpg

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English: Dual-beam Cathode-Ray Oscillograph, DuMont Laboratories, Clifton, NJ, USA, Type 322-A, S/N 9883, for 115/230 Volt AC, with scale illumination around the knobs, ca. 1950s. Exhibit in the National Electronics Museum, 1745 West Nursery Road, Linthicum, Maryland, USA. All items in this museum are unclassified. The museum permitted photography without restriction.
Deutsch: Dual-beam Cathode-Ray Oscillograph, DuMont Laboratories, Clifton, NJ, USA, Type 322-A, für 115/230 Volt AC, mit Skalenbeleuchtung um die Drehknöpfe, ca. 1950er Jahre. Ausgestellt im National Electronics Museum, Linthicum, MD, USA.
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current20:32, 2 January 2023Thumbnail for version as of 20:32, 2 January 20231,919 × 1,527 (943 KB)Pittigrilli (talk | contribs)File:Dual-beam Cathode Ray Oscillograph, DuMont Laboratories, c. 1950s - National Electronics Museum - DSC00101 (cropped).JPG cropped 29 % horizontally, 59 % vertically using CropTool with precise mode.

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