Vernier Dial
Martin Copeland Co. (MAR-CO); Providence, RI
- Country
- United States of America (USA)
- Manufacturer / Brand
- Martin Copeland Co. (MAR-CO); Providence, RI
- Year
- 1925
- Category
- Radio part (not a module)
- Radiomuseum.org ID
- 171354
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Bakelite or Plastics (type unknown)
- from Radiomuseum.org
- Model: Vernier Dial - Martin Copeland Co. MAR-CO;
- Notes
- MAR-CO Vernier Dial, clockwise or counter-clockwise action.
Nickel plated : $2.50
Gold plated : $3.00
- Price in first year of sale
- 3.00 $
- Source of data
- - - Manufacturers Literature
- Literature/Schematics (1)
- Radio Broadcast, Nov. 1925, p. 104
- Author
- Model page created by Karlheinz Gützlaff. See "Data change" for further contributors.
- Other Models
-
Here you find 5 models, 4 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Martin Copeland Co. (MAR-CO); Providence, RI