Combo Vacuum Tube-Crystal Control Panel Unit
Bowman & Co., A.W.; Boston, Massachusetts
- Country
- United States of America (USA)
- Manufacturer / Brand
- Bowman & Co., A.W.; Boston, Massachusetts
- Year
- 1921–1923
- Category
- Radio module pre 1926 (not a part, not a key)
- Radiomuseum.org ID
- 198257
1923 Sears & Roebuck Radio Catalog
- Number of Tubes
- 1
- Valves / Tubes
- UV200
- Main principle
- Detector with Vacuum Tube (Valve), no tuner
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries
- Loudspeaker
- - For headphones or amp.
- Material
- Bakelite case
- from Radiomuseum.org
- Model: Combo Vacuum Tube-Crystal Control Panel Unit - Bowman & Co., A.W.; Boston,
- Shape
- Miscellaneous shapes - described under notes.
- Dimensions (WHD)
- 10 x 5 x 0 inch / 254 x 127 x 0 mm
- Notes
- A. W. Bowman Combination Vacuum Tube-Crystal Control Panel Unit. Double wide panel with both crystal detector and a vacuum tube detector with a switch to switch between the two.
In the 1921-1923 Sears, Roebuck and Co. Radio catalogs, Sears offered a series of Unit panels that were produced by the Bowman Company. The panels were each 5 inches square and could be joined together to form a complete receiver.
- Net weight (2.2 lb = 1 kg)
- 8 lb 0 oz (8 lb) / 3.632 kg
- Price in first year of sale
- 18.00 $
- Literature/Schematics (1)
- 1923 Sears & Roebuck Radio Catalog
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 32 models, 31 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Bowman & Co., A.W.; Boston, Massachusetts