• Country
• United States of America (USA)

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

• Year
• 1940 ??

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

• Radiomuseum.org ID
• 191572

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: J-44 - MILITARY U.S. different makers

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 70 x 28 x 135 mm / 2.8 x 1.1 x 5.3 inch

• Notes
• This is a J-37 key mounted on a black base with a switch which shorts out the contacts.

• Net weight (2.2 lb = 1 kg)
• 0.185 kg / 0 lb 6.5 oz (0.407 lb)

• 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)