NASHVILLE, Tenn. — The historic RCA Studio A, saved from redevelopment three years ago, on Saturday completed a restoration to its 1960s heyday with the installment of the building’s iconic signs.
A 50-watt transmitting tube with 4-pin brass base, ceramic insulator, shield around stem. Light, rectangular anode. Tipped, T-shaped envelope. Marked on base: "Radiotron / Model UV203 / [GE logo] 50 ...
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