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1619 JAN RCA NOS VALVE TUBE | eBay
BN JAN 1619 VT-164 by RCA Metal Tube, Audio, Other Audio Equipment on Carousell
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Morrison Bros. Model 1619 Mechanical Vertical Tank Top Gauge w/ Drop Tube Float & Level Alarm Relay - Up to 50 ft. - Feet & Inches - John M. Ellsworth Co. Inc.
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VT164(1619) Push-Pull Amplifier from Stereosound, Tube Kingdom Vol.105