- Country
- United States of America (USA)
- Manufacturer / Brand
- National Company; Cambridge & Malden (MA)
- Year
- 1936–1955 ??
- Category
- Radio part (not a module)
- Radiomuseum.org ID
- 286166
-
- alternative name: National Toy Co.
- Brand: Thrillbox
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Various materials
- from Radiomuseum.org
- Model: O Dial - National Company; Cambridge &
- Dimensions (WHD)
- 3.5 x 3.5 x 0 inch / 89 x 89 x 0 mm
- Notes
-
The National O Dial was featured in National catalogs as an "inexpensive" dial. It has a bakelite knob on a 3.5-inch nickel silver scale marked 0-100. It has no vernier, making it a direct drive, 1 to 1 ratio.
- Price in first year of sale
- 1.50 USD
- Mentioned in
- National Company 1939 Catalog
- Author
- Model page created by Wayne Childress. See "Data change" for further contributors.
- Other Models
-
Here you find 446 models, 285 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from National Company; Cambridge & Malden (MA)