| (up)date
| item
| size
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| 2003-04-01
| Contitions d'emploi des stabilisateurs de tension 1956 - Operating conditions for voltage stabilizers. ☆Stéphane Maréchal☆
| 2,423,233 bytes (fr)
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| 2003-04-01
| Utilisation des tubes batteries 1955 - Usage of battery tubes. ☆Stéphane Maréchal☆
| 1,522,693 bytes (fr)
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| 2022-04-03
| Operating conditions for voltage stabilizers OA2 and OB2, 1956, 25 pages. ☆Patrick Binon☆
| 11,671,230 bytes (fr)
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| 2022-04-03
| Electrometer Tubes 1956, 24 pages. ☆Patrick Binon☆
| 11,168,058 bytes (fr)
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| 2022-04-03
| Use of Thyratrons 2050 & 2D21 1951, 18 pages. ☆Patrick Binon☆
| 9,259,833 bytes (fr)
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