2 X JAN CKR 1619 KEN-RAD TUBE. 1954 PRODUCTION. MATCHED PAIR. CQ ENA
Tube 1619, série octal
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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1-RCA 1619 Vacuum Tube Tested Strong | eBay
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SM5CBW - Tubedata
1619 | TubeDepot.com
RCA 1619 Tube Pair. NOS. 1962,1966 | eBay
(!!!) (Recommended Pair) 1619 RCA NOS 1960-1964 (52ma and 53ma)