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Variable Air Capacitor 153-30-5

Variable Air Capacitor 153-30-5; Johnson Company, E.F (ID = 1087503) Radio part Variable Air Capacitor 153-30-5; Johnson Company, E.F (ID = 1087519) Radio part
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Variable Air Capacitor 153-30-5; Johnson Company, E.F (ID = 1087503) Radio part
Johnson Company, E.F: Variable Air Capacitor 153-30-5 [Radio part] ID = 1087503 933x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Variable Air Capacitor 153-30-5, Johnson Company, E.F.; Waseca, MN:
E.F. Johnson variable air capacitor. It's 3500 volt rating would indicate it was used in antenna tuning or the final tuning stage of a transmitter.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Johnson Company, E.F.; Waseca, MN
Brand
 
Viking
Year: 1930 ?? Category: Radio part (not a module) 
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Variable Air Capacitor 153-30-5 - Johnson Company, E.F.; Waseca,
Material Metal case
Shape Miscellaneous shapes - described under notes.
Dimensions (WHD) 4 x 4 x 13 inch / 102 x 102 x 330 mm
Notes This is a 0 to 850 picofarad high voltage (3500 volt), variable capacitor with .080 air gap between plates used for output stage/antenna tuning in high-powered transmitters.
Net weight (2.2 lb = 1 kg) 1.4 lb (1 lb 6.4 oz) / 0.636 kg

Model page created by Hank Kaczmarski. See "Data change" for further contributors.



All listed radios etc. from Johnson Company, E.F.; Waseca, MN
Here you find 62 models, 52 with images and 27 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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