• Country
• United States of America (USA)

• Manufacturer / Brand
• ESS Co., Electric Service Supplies Co.; Philadelphia (PA)

• Year
• 1925 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 200184

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Keystone Radio Lightning Arrester - ESS Co., Electric Service

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 3 x 3 x 0 inch / 76 x 76 x 0 mm

• Notes
• ESS Co. Keystone Radio Lightning Arrester;
  Made of porcelain/ceramic.

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

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from ESS Co., Electric Service Supplies Co.; Philadelphia (PA)