• Country
• United States of America (USA)

• Manufacturer / Brand
• Kellogg Switchboard & Supply Co.; Chicago (IL)

• Year
• 1930 ??

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 367093

• • Brand: Wavemaster

• Number of Tubes
• 1

• Valves / Tubes
• 80

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Power Supply 505 - Kellogg Switchboard & Supply

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 8.5 x 7.5 x 8 inch / 216 x 191 x 203 mm

• Notes

• Output DC 215 V & AC 3 V.

• Net weight (2.2 lb = 1 kg)
• 19 lb (19 lb 0 oz) / 8.626 kg

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 67 models, 26 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kellogg Switchboard & Supply Co.; Chicago (IL)