Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. Acorns are used ...
A small glass tube, no base, tip on bottom, three contact pins on one side, two on the other side. Stamped: “[RCA logo] / 958”. Donor’s card reads: “Triode, acorn type, made by the Radio Corporation ...
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