• Country
• United States of America (USA)

• Manufacturer / Brand
• Bird Technologies, Bird Electronic Corp., Bird Engineering Co.; Cleveland (OH)

• Year
• 1952

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 118509

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

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Thruline Wattmeter 43 - Bird Technologies, Bird

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 130 x 175 x 92 mm / 5.1 x 6.9 x 3.6 inch

• Notes

• Directional Wattmeter 50 ohms, range between 450 kHz to 2.7 GHz, depending on plug-in-elements determine power and frequency range. Still made today.

• Net weight (2.2 lb = 1 kg)
• 1.4 kg / 3 lb 1.3 oz (3.084 lb)

• Price in first year of sale
• 437.00 DM

• Author
• Model page created by Danko Tkalec. See "Data change" for further contributors.

• Other Models

• Here you find 15 models, 12 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bird Technologies, Bird Electronic Corp., Bird Engineering Co.; Cleveland (OH)