• Country
• United States of America (USA)

• Manufacturer / Brand
• Chelsea Radio Corp. (National); Chelsea, Boston (MA)

• Year
• 1922

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 215456

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Variable Grid Leak - Chelsea Radio Corp. National;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 3.5 x 2 x 3.5 inch / 89 x 51 x 89 mm

• Notes
• 1920's breadboard radio part by Chelsea Radio Company of Chelsea Massachuates. It is a variable Grid Leak on a black bakelite base. It is 3 1/2 inches in diameter. Meant to be mounted on a horizontal bread board type of radio.

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

• Other Models

• Here you find 29 models, 25 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Chelsea Radio Corp. (National); Chelsea, Boston (MA)