| electron Tube Data sheets | 
       
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     | Philips historical electron tube data collected by Adri de Keijzer † | 
| (up)date | item | size | 
| 2025-10-04 | Index of tube types | 36,077 bytes | 
| 2025-10-04 | Read me | 1,737,627 bytes | 
| 2025-10-04 | Lees mij | 1,754,515 bytes (nl) | 
| 2025-10-04 | 1 - Books | html page | 
| 2025-10-04 | 2 - Instruction sheets Receiving Tubes | html page | 
| 2025-10-04 | 3 - Illustrated sheets Transmitting Tubes | html page | 
| 2025-10-04 | 4 - Box A4 sheets Transmitting Tubes | html page |