• Country
• United States of America (USA)

• Manufacturer / Brand
• Van Horne Tube Company; Franklin, OH (see also Musselman)

• Year
• 1931

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 332039

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

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Flewelling Tube Checker Model D - Van Horne Tube Company;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 5.25 x 7.25 x 2.5 mm / 0.2 x 0.3 x 0.1 inch

• Notes

• This is a Tube Checker labeled as "Van Horne-Flewelling Tube Checker; Van Horne Tube Co., Franklin Ohio". The Radio Craft announcement lists this as "Model D".

• Net weight (2.2 lb = 1 kg)
• 2 lb 12 oz (2.75 lb) / 1.249 kg

• Literature/Schematics (1)
• Radio Craft (Jan. 1931, pages 425-426.)

• Author
• Model page created by Andrew Hulsey. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Van Horne Tube Company; Franklin, OH (see also Musselman)