• Country
• United States of America (USA)

• Manufacturer / Brand
• Wireless Specialty Apparatus Co.; Boston (MA)

• Year
• 1919

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 198999

• Number of Tubes
• 1

• Valves / Tubes
• VT-Class-II or A_Moorhead

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite, TUBES VISIBLE

• from Radiomuseum.org
• Model: Eaton Circuit Driver Type Triode D - Wireless Specialty Apparatus

• Shape
• Tablemodel, with any shape - general.

• Notes
• The Wireless Specialty Apparatus Company Eaton Circuit Driver, Type Triode D. The Eaton Circuit Driver is equipped with a vacuum tube control, as well as with a buzzer and switch for driving from either buzzer or vacuum tube. In this form it serves essentially as a source of oscillations for laboratory work. Either damped or undamped oscillations may be obtained by this device used in conjunction with a wavemeter circuit. It may likewise be used as a receiver of undamped oscillations.

• Price in first year of sale
• 95.00 $

• Literature/Schematics (1)
• - - Manufacturers Literature (1919 Wireless Specialty catalog page 40)

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 66 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Specialty Apparatus Co.; Boston (MA)