• Country
• United States of America (USA)

• Manufacturer / Brand
• Auto Indicator Co.; Grand Rapids, Michigan

• Year
• 1924/1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33564

• Number of Tubes
• 1

• Valves / Tubes
• UV199

• Main principle
• TRF without regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 3 & 22.5 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Pocket Radio Model Standard B - Auto Indicator Co.; Grand

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 4 x 12.5 x 2.75 inch / 102 x 318 x 70 mm

• Notes
• One dial (primary tuning control knob)

• Net weight (2.2 lb = 1 kg)
• 4 lb 0 oz (4 lb) / 1.816 kg

• Price in first year of sale
• 23.50 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• September 1925, Electrical Record Supplement magazine page 32

• Literature/Schematics (2)
• December 1924 Popular Radio magazine advertisement

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Auto Indicator Co.; Grand Rapids, Michigan