BTom Thumb
Automatic Radio Mfg. Co.; Boston (MA)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Automatic Radio Mfg. Co.; Boston (MA)
- Year
- 1929
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 33779
- Number of Tubes
- 4
- Valves / Tubes
- Main principle
- TRF (Tuned-Radio-Frequency but use of regeneration unknown); Screengrid 1926-1935
- Power type and voltage
- Dry Batteries
- from Radiomuseum.org
- Model: BTom Thumb - Automatic Radio Mfg. Co.;
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
- One dial (primary tuning control knob)
- Price in first year of sale
- 57.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Other Models
-
Here you find 401 models, 163 with images and 321 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Automatic Radio Mfg. Co.; Boston (MA)