Cambridge Semi-Quenched Rotating Spark Discharger Y741
Clapp-Eastham Co.; Cambridge, MA
- Country
- United States of America (USA)
- Manufacturer / Brand
- Clapp-Eastham Co.; Cambridge, MA
- Year
- 1917
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 213302
-
- Brand: Radak
Atlantic Radio Co. Bulletin 14 (1919)
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Various materials
- from Radiomuseum.org
- Model: Cambridge Semi-Quenched Rotating Spark Discharger Y741 - Clapp-Eastham Co.; Cambridge,
- Notes
-
From 1917 "Radio and Laboratory Apparatus Catalog X", : The Cambridge Semi-Quenched Rotating Spark Discharger is completely enclosed and has a glass front for inspection of spark. Variable speed motor. The previous model was named Hytone Quenched Spark Gap. The slogan for Blitzen brand was "A little better than the best".
Cast metal casing, red glass front. Suitable for transmitters up to 1kW.
- Price in first year of sale
- 50.00 $
- Mentioned in
- Atlantic Radio Co. Bulletin 14 (1919)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 130 models, 107 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Clapp-Eastham Co.; Cambridge, MA