LP2 Marconi Osram triode balloon with slanted nickel plate VR22 NR42 CV548 CV1162 CV1166 CV1304 NR42
LP2 Marconi Osram early balloon £ 100 pair.
LP2 Marconi Osram slanted 45 degrees plate £ 120 pair.
LP2 Marconi Osram balloon vertical plate £ 80 pair.
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