REP-3-61-8
Circuit for measuring three-electrode tubes characteristics
About this photograph
Photograph of an electrical circuit diagram with elements: batteries, resistors, three electrode tubes, ammeter, and voltmeters. Below the diagram, an inscription in Russian: "Fig. IV-5. Circuit for measuring characteristics of three-electrode tubes." The diagram is drawn as a technical drawing on a light background.
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Object data
- Photographer
- Eduard Repin
- Medium
- 35 mm black & white
- Tags
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