• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1914 ?

• Category
• Military Equipment (not Re, Tr or RXT)

• Radiomuseum.org ID
• 239926

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

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 4 x 1.5 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Service Buzzer Model 1914 - MILITARY U.S. different makers

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

• Dimensions (WHD)
• 190 x 90 x 135 mm / 7.5 x 3.5 x 5.3 inch

• Notes

• US Signal Corps Service Buzzer Model 1914. Portable device for field telephone line testing, can be operated as a buzzer or telephone.

  Known manufacturers:
  American Electric Co., Chicago, Order 4999, Sept. 5 1916
  Stromberg-Carlson Tel. Mfg. Co., Rochester N.Y., Order No. 140245, Year 1918

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Author
• Model page created by Rudolf Müller. See "Data change" for further contributors.

• Other Models

• Here you find 401 models, 353 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)