• Country
• United States of America (USA)

• Manufacturer / Brand
• Sylvania (Hygrade, GTE, Nilco); Emporium (PA)

• Year
• 1951 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 120031

• Number of Tubes
• 1

• Valves / Tubes
• 6C4

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105 - 125 Volt

• Loudspeaker
• - - No sound reproduction output.

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

• from Radiomuseum.org
• Model: Tube Tester 220 - Sylvania Hygrade, GTE, Nilco;

• Shape
• Tablemodel, with any shape - general.

• Notes
• 12 valve holders, 1 mA meter, manual test voltage adjustment.

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1087 models, 455 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)