• Country
• United States of America (USA)

• Manufacturer / Brand
• Leeds & Northrup; Philadelphia

• Year
• 1920 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 269193

• Wave bands
• - without

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Galvanometer No 81 - Leeds & Northrup; Philadelphia

• External source of data
• Information courtesy of guest Jacob Curtis

• Author
• Model page created by John Kusching. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 14 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Leeds & Northrup; Philadelphia