• Country
• United States of America (USA)

• Manufacturer / Brand
• Tower Mfg.Co., Boston ,Mass.

• Year
• 1925

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 169958

• Power type and voltage
• No Power needed

• from Radiomuseum.org
• Model: Scientific Headphone - Tower Mfg.Co., Boston ,Mass.

• Dimensions (WHD)
• 195 x 55 x 180 mm / 7.7 x 2.2 x 7.1 inch

• Notes
• Headphones.

• Net weight (2.2 lb = 1 kg)
• 0.260 kg / 0 lb 9.2 oz (0.573 lb)

• Price in first year of sale
• 3.00 $

• Source of data
• - - Manufacturers Literature

• Literature/Schematics (1)
• Radio Broadcast, Feb. 1925, Page 848o

• Author
• Model page created by Karlheinz Gützlaff. See "Data change" for further contributors.

• Other Models

• Here you find 16 models, 14 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tower Mfg.Co., Boston ,Mass.