• Country
• United States of America (USA)

• Manufacturer / Brand
• Precision Radio Equipment Co. Inc.; Brooklyn, NY

• Year
• 1916

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 227030

• Main principle
• Tuner pre 1926 (not a wave trap)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Precision Variocoupler Type AMM - Precision Radio Equipment Co.

• Shape
• Tablemodel, with any shape - general.

• Notes

• Precision Radio Equipment Company, The Precision Variocoupler Type AMM 

• Price in first year of sale
• 20.00 USD

• Literature/Schematics (1)
• March 1916 The Wireless Age magazine page IX

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

• Other Models

• Here you find 9 models, 9 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Precision Radio Equipment Co. Inc.; Brooklyn, NY