File:Heptode Pentagrid.png
Jump to navigation
Jump to search
Heptode_Pentagrid.png (300 × 492 pixels, file size: 12 KB, MIME type: image/png)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 20:27, 20 December 2019 | ![]() | 300 × 492 (12 KB) | commons>Foxiest | Schematics corrected: screen grides blocking capacitors added, battery tube anode voltage decreased to 50 V |
File usage
There are no pages that use this file.