• Country
• United States of America (USA)

• Manufacturer / Brand
• Insuline Corp. Of America (ICA); New York City

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44911

• Number of Tubes
• 5

• Valves / Tubes
• 36 36 36 33 33

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Direct Current supply (DC)

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• from Radiomuseum.org
• Model: Env.Longfellow DC - Insuline Corp. Of America ICA;

• Notes
• AF output tubes are in parallel

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 91 models, 21 with images and 35 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Insuline Corp. Of America (ICA); New York City