- Great Britain (UK)
- Manufacturer / Brand
- Marconi's Wireless Telegraph Co. Ltd.
- 1910 ??
- Morse-Equipment & TTY, RTTY, TDD etc.
- Radiomuseum.org ID
- Wave bands
- - without
- Power type and voltage
- No Power needed
- - - No sound reproduction output.
- Various materials
- from Radiomuseum.org
- Model: Spark Key - Marconi's Wireless Telegraph
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 5 x 3 x 9 inch / 127 x 76 x 229 mm
- Model page created by Richard Groshong. See "Data change" for further contributors.
- Other Models
Here you find 90 models, 88 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Marconi's Wireless Telegraph Co. Ltd.