About this photograph
Photograph of a page with two electrical circuits of a triode, labeled with the letters "a" and "b". The circuits contain symbols of batteries labeled "Bn", "Ba", "Bs" and arrows indicating the direction of current. Below the circuits, there is text in Russian describing the connection of the battery poles to the grid.
AI-generated description
Object data
- Photographer
- Eduard Repin
- Medium
- 35 mm black & white
- Tags
Frames from this film roll
REP-3-61-1
Page with ELECTRONIC TUBES inscription
REP-3-61-2
Electronic tube with marking 6
REP-3-61-3
Electronic tube on a sheet
REP-3-61-4
Electronic vacuum device
REP-3-61-5
Cylindrical black object with contacts
REP-3-61-6
Electronic tube with markings
REP-3-61-7
Two electrical circuits of a triode
REP-3-61-8
Circuit for measuring three-electrode tubes characteristics
REP-3-61-9
Circuit diagram for connecting a four-electrode lamp
REP-3-61-10
Newspaper fragment with educational institution name
REP-3-61-11
Fragment of a publication with inscription
REP-3-61-12
Fragment of a document with school name
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