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vacuum tube shirt vacuum tube apparel science teacher gift technology tee

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6KD6~NOS~TUBE~RADIO~AMPLIFIER~VACUUM~VALVE~SHORT WAVE~HAM

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NOS EZ81 / 6CA4 Amperex Bugle Boy Vacuum Tube

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6C4P NOS vacuum tube Reflector USSR full wave rectifier (6Z4 similar 6X4 EZ90)

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EVEREADY RAYTHEON ER 210- 100% TESTED GOOD GLOBE VACUUM TUBE- NEW IN BOX!

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8950 vacuum tube matched set Of 4 All Tested Over 100% GE electronic USA Made

8950 vacuum tube matched set Of 4 All Tested Over 100% GE electronic USA Made

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(4) 6BN6 Vacuum Tubes TV-7D/U Tube Tested Radio TV Phono HAM RCA SYLVANIA GE

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2 NOS RCA 6J7 Vacuum Tubes - 1960's Vintage Pentodes for Radios and Audio Amps

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Pair (2) vintage 1960s Sylvania Baldwin 12AU7A vacuum tubes - TV-7 test as NOS

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5654 Vacuum Tube, Tested, Boxed, & Inexpensive-My Overstock is Your Great Deal!!

5654 Vacuum Tube, Tested, Boxed, & Inexpensive-My Overstock is Your Great Deal!!

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Vacuum tube GU-74b GU 74 b 4CX800 Vintage RF lamp Original part SVETLANA Soviet

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