• Country
• United States of America (USA)

• Manufacturer / Brand
• McElroy, T.R.; Boston MA

• Year
• 1939

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

• Radiomuseum.org ID
• 224859

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 3; 4.5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Mac Practice Set - McElroy, T.R.; Boston MA

• Shape
• Tablemodel, with any shape - general.

• Notes

• Mac Practice Set equipped with Mac hummer having a 1000 Hz note.

• Price in first year of sale
• 2.95 USD

• Mentioned in
• Radio Shack Catalog (1939, page 62)

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 33 models, 33 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McElroy, T.R.; Boston MA