• Country
• United States of America (USA)

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

• Year
• 1952

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 139988

• • Brand: Viz

• Number of Tubes
• 2

• Valves / Tubes
• 1U4 5731

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

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

• Dimensions (WHD)
• 120 x 62 x 60 mm / 4.7 x 2.4 x 2.4 inch

• Notes
• Oszillator mit abstimmbarer Lecherleitung, l = 68 mm, d = 8 mm. Besonderheit: Gitter und Anode liegen jeweils an einem Lecherleitungsstück und am Ende befindet sich der Gitter-Koppelkondensator.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Armin Eppinger. 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