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(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