• Country
• United States of America (USA)

• Manufacturer / Brand
• NEIC (where?)

• Year
• 1933 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 213372

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Tube Checker TRA-521 - NEIC where?

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 5 x 5 x 7 inch / 127 x 127 x 178 mm

• Notes
• One socket with 10 contacts can accept 11 different tube base types which were in use those days.

• Net weight (2.2 lb = 1 kg)
• 5 lb (5 lb 0 oz) / 2.270 kg

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from NEIC (where?)