• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi's Wireless Telegraph Co. Ltd.

• Year
• 1910 ??

• Category
• Morse-Equipment & TTY, RTTY, TDD etc.

• Radiomuseum.org ID
• 280513

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Spark Key - Marconi's Wireless Telegraph

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 5 x 3 x 9 inch / 127 x 76 x 229 mm

• Author
• Model page created by Richard Groshong. See "Data change" for further contributors.

• Other Models

• Here you find 94 models, 92 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi's Wireless Telegraph Co. Ltd.