| electron Tube Data sheets | 
       
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     | Tung-Sol documents | 
| (up)date | item | size | 
| 2020-12-27 | Technical Data Electron Tubes - Part 1 1127 pages. | 256,798,245 bytes | 
| 2020-12-27 | Technical Data Electron Tubes - Part 2 1129 pages. | 235,165,193 bytes | 
| 2020-12-27 | Technical Data Electron Tubes - Part 3 929 pages. | 279,767,947 bytes | 
| 2020-12-27 | Technical Data Electron Tubes - Part 4 1007 pages. | 343,183,370 bytes | 
| 2024-07-08 | Digivac S/G Readout Tubes, 1969, 16 pages. | 9,924,815 bytes | 
| 2024-07-08 | Hydrogen Filled Tubes, 1968, 23 pages. | 13,761,222 bytes | 
| 2024-07-08 | Industrial Tubes, 20 pages. | 12,480,214 bytes | 
| 2024-07-08 | Interchangeability Guide, 16 pages. | 7,055,703 bytes | 
| 2024-07-08 | Some Industrial Tube Data Sheets, 41 pages. 6336B, 6528A, 7403, 7455, 7789, 7790, 7791, 7792, 7793, 8149, 8150  | 16,502,799 bytes |