• Country
• United States of America (USA)

• Manufacturer / Brand
• Molded Insulation Co.; Philadelphia PA

• Year
• 1945 ??

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 115836

• • Brand: Viz

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 2

• Valves / Tubes
• 5703 5910

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 & 3 x 36 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Radiosonde T-69F/AMT-2 - Molded Insulation Co.;

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 130 x 70 x 170 mm / 5.1 x 2.8 x 6.7 inch

• Notes
• Radiosonde Transmitter, with Battery-Pack: BB-208/AMT.
  Case made from cardboard to minimize weight for the flight with a balloon.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Mentioned in
• - - Data from my own collection

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

• Other Models

• Here you find 8 models, 7 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Molded Insulation Co.; Philadelphia PA