Home electron Tube Data sheets Back
Frank's Electron tube Pages  
Frank's electron Tube Data sheets TSF (Télégraphie Sans Fil) Métal documents  

(up)date item size
2024-06-01 6/100 DG space charge tube 1926 & 1928, 3 pages. ☆Patrick Binon☆ 3,543,034 bytes (fr)
2024-07-19 Receiving Tube Catalog 1927, 27 pages. ☆Patrick Binon☆ 15,707,724 bytes (fr)