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细节
Fourteen early 1920s radio valves:
five Cossor valves - two P2 pip-tops, three P1 pip-tops all boxed; three bright-emitter pip-top valves - two Moorhead type R triodes, one Royal Ediswan R triode No. 633 (boxed); two B.T.H. valves - R5 MK4, B5 LK1 (boxed); two Osram valves - one type D.E.8H. F. 3381H (boxed), one H.L. 210; one Royal Ediswan AR WT pip-top valve; and one Marconi pip-top valve type R.5.V. X13259.
five Cossor valves - two P2 pip-tops, three P1 pip-tops all boxed; three bright-emitter pip-top valves - two Moorhead type R triodes, one Royal Ediswan R triode No. 633 (boxed); two B.T.H. valves - R5 MK4, B5 LK1 (boxed); two Osram valves - one type D.E.8H. F. 3381H (boxed), one H.L. 210; one Royal Ediswan AR WT pip-top valve; and one Marconi pip-top valve type R.5.V. X13259.