IL-14 (Ispytatel' radiolamp) 1956
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Tester radio tubes type "IL-14" from 1956 release Gorky plant named after Frunze. Tester radio tubes type "IL-14" is designed to quickly assess the degree of efficiency of radio tubes, as receiving and amplifying, and diodes, kenotrons, stabilizers, as well as low-power generator.
Documentation:
Information from collection of Valery Khartchenko