• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1918–1945

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

• Radiomuseum.org ID
• 159245

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Flameproof Aircraft Key J-5-A - MILITARY U.S. different makers

• Shape
• Tablemodel, with any shape - general.

• Notes
• Flameproof Aircraft Key J-5-A.
  These keys were made in large quantities. The contacts are totally enclosed to allow them to be used in explosiv environments without danger of the contact sparks igniting an explosion.

• Mentioned in
• Perera's "Telegraph Collectors Guide"

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 398 models, 350 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)