• Country
• United States of America (USA)

• Manufacturer / Brand
• Manhattan Electrical Supply Co. Inc. (Mesco); New York, NY

• Year
• 1915–1922

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

• Radiomuseum.org ID
• 280706

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Hand Radio Key CAM833 - Manhattan Electrical Supply Co

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 3 x 1.25 x 6 inch / 76 x 32 x 152 mm

• Notes

• This is a spark key for keying a spark transmitter.

• Price in first year of sale
• 3.75 $

• Mentioned in
• 1915 Manual of Wireless Telegraphy Manhattan Electrical Supply Co. page 17

• Literature/Schematics (1)
• 1922 Manual of Wireless Telegraphy Manhattan Electrical Supply Co. page 59

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

• Other Models

• Here you find 28 models, 27 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Manhattan Electrical Supply Co. Inc. (Mesco); New York, NY