• Country
• United States of America (USA)

• Manufacturer / Brand
• Wireless Specialty Apparatus Co.; Boston (MA)

• Year
• 1919

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

• Radiomuseum.org ID
• 198972

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Auxiliary Hand Key Type Q-S 5004 - Wireless Specialty Apparatus

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 9 x 2.5 x 3 inch / 229 x 64 x 76 mm

• Notes
• The Wireless Specialty Apparatus Auxiliary Hand Key is designed for use with transmitters of all powers up to 5 K.W., and as an auxiliary in stations where a relay key is employed.

• Net weight (2.2 lb = 1 kg)
• 1.5 lb (1 lb 8 oz) / 0.681 kg

• Source of data
• -- Original prospect or advert

• Literature/Schematics (1)
• - - Manufacturers Literature (1919 Wireless Specialty catalog page 51)

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 66 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Specialty Apparatus Co.; Boston (MA)