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Description: From 1928, this Marconi valve catalogue lists Marconi’s range of 2 volt, 4 volt and 6 volt accumulators valves, indirectly heated cathode valves, AC mains valves, rectifying valves and transmitting valves. Includes valve specifications and prices. 66 Pages, 14.5Mb download
- S 215, S 410, S 625, S 610, S.8 – Screen grid, HF amplifier
- DEH 210, DEH 410, DEH 610 – Resistance capacity amplifier and detector
- DEL 210, DEL 410, DEL 610, KL 1 – General purpose
- HL 210, HL 610 – HF Detector and LF amplifier
- DEP 215, DEP 240, DEP 410, P 425, DEP 610, P 625, P 625A, DE 5, DE 5A, DE 5B, LS 5, LS 5A, LS 5B, LS 6A – LF Power amplifier
- PT 235, PT.8 – Pentode
- H.8 – AC resistance capacity amplifier
- HL.8 – AC HF and LF amplifier
- P.8 – AC LF and power amplifier
- U 4, U 5, U 8, U 9 – Rectifying valves
- T 15, T 30, T 50, T 250, DET 1, DET 1SW – Transmitting valves
