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National Hi-Tone Rotary Spark Gap

National Hi-Tone Rotary Spark Gap ; National Electric (ID = 2412259) Amateur-D
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National Hi-Tone Rotary Spark Gap ; National Electric (ID = 2412259) Amateur-D
National Electric: National Hi-Tone Rotary Spark Gap [Amateur-D] ID = 2412259 1400x939
Select picture or schematic to display from thumbnails on the right and click for download.
For model National Hi-Tone Rotary Spark Gap, National Electric Manufacturing Co. (NEM); Chicago:
October, 1916 The Electrical Experimenter magazine page 453
 
Country:  United States of America (USA)
Manufacturer / Brand:  National Electric Manufacturing Co. (NEM); Chicago
Year: 1916 Category: Amateur Equipment (Other, but not Key)
Wave bands - without
Details
Power type and voltage AC/DC-set / 110 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: National Hi-Tone Rotary Spark Gap - National Electric
Material Various materials
Shape Tablemodel, with any shape - general.
Notes National Electric Manufacturing Company "National" Hi-Tone Rotary Spark Gap has a speed regulator and a shut off switch. The speed could be regulated from 3000-6000 RPM. Can be used on spark coils up to 1 KW.
Price in first year of sale 12.00 $
Literature/Schematics (1) October 1916 Electrical Experimenter advertisement page 453

Model page created by Alan Larsen. See "Data change" for further contributors.



All listed radios etc. from National Electric Manufacturing Co. (NEM); Chicago
Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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