• Country
• United States of America (USA)

• Manufacturer / Brand
• Philmore Mfg. Co. - Ajax Products Co.; New York, NY

• Year
• 1925

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 80297

• Main principle
• Crystal or Solid State Detector

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Crystal Detector 310 or 7003 - Philmore Mfg. Co. - Ajax

• Dimensions (WHD)
• 1.5 x 1.25 x 0 inch / 38 x 32 x 0 mm

• Notes
• initially #310, later 7003. Fiber base. Earlier 310 had a larger molded base.

• Mentioned in
• Crystal Clear (Volume 1) (pp.134, 231)

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 81 models, 71 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philmore Mfg. Co. - Ajax Products Co.; New York, NY