|
|
| (up)date
| item
| size
|
| 2025-09-29
| Philips Classification of Electron_Tubes issued by Philips Electron Tube Division, 1958, 100 pages.
| 680,496,166 bytes
|
| 2025-10-04
| Philips production codes
| html page
|
| 2025-10-04
| Philips historical tube data
| html page
|
| 2025-10-05
| RCA Vacuum Tube Design, 1940, 267 pages.
| 51,421,994 bytes
|
| 2025-10-05
| Telefunken SendeRöhren, 1957, 20 pages.
| 29,703,160 bytes (de)
|
| 2025-10-05
| Telefunken SpezialRöhren, 1957, 28 pages.
| 35,482,934 bytes (de)
|
| 2025-10-05
| USA Industrial Power Tubes
| html page
|
