• Country
• United States of America (USA)

• Manufacturer / Brand
• McMurdo Silver Co., Inc.(post WW2); Hartford

• Year
• 1947 ?

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 207782

• Number of Tubes
• 1

• Valves / Tubes
• 807

• Wave bands
• Short Wave (SW only)

• Material
• Metal case

• from Radiomuseum.org
• Model: Frequency Multiplier 703 - McMurdo Silver Co., Inc.post

• Shape
• Chassis only or for «building in»

• Notes
• McMurdo Silver pre-tuned Bandpass Frequency Multiplier, converts crystal or VFO controlled signals to frequencies in the 80 - 6 m amateur radio bands.

• Price in first year of sale
• 50.00 $

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 16 models, 9 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McMurdo Silver Co., Inc.(post WW2); Hartford