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- // ΜΤ-017001 // 1930s (Decade)
Electronic tube
DImensions: 44,5 x 30 x 30 εκ. Location: Αγγλία Material: wood,metal,glass
Electronic rectifier tube (vacuum tube or thermionic valve) with metal elements (anode and cathode filaments) set in a brown wooden box. Made in England by Marconi Instruments Ltd, type MR 4.
In Copyright
