• Country
• United States of America (USA)

• Manufacturer / Brand
• Telegraph Apparatus Company (TAC); Chicago, IL

• Year
• 1945 ?

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

• Radiomuseum.org ID
• 271785

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Semi Automatic Morse Telegraph Key 810 - Telegraph Apparatus Company

• Dimensions (WHD)
• 100 x 70 x 200 mm / 3.9 x 2.8 x 7.9 inch

• Notes

• Semi Automatic Telegraph Key (BUG); professional model with 4 inch chromed base and nickname "Hole in the Wall"; the nickname comes from the square frame with a round hole in the middle for the lever to pass through.

• Net weight (2.2 lb = 1 kg)
• 6.55 lb (6 lb 8.8 oz) / 2.974 kg

• Mentioned in
• -- Other type before this -same/similar characteristics - see exchange.

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telegraph Apparatus Company (TAC); Chicago, IL