• Country
• United States of America (USA)

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

• Year
• 1951

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 360626

• Number of Tubes
• 1

• Valves / Tubes
• 6AL5 0C3 or VR105

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Oscilloscope Calibrating Standard Type 300 - Sylvania Hygrade, GTE, Nilco;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12 x 6 x 4 inch / 305 x 152 x 102 mm

• Notes

• Used for calibration of oscilloscopes.

• Mentioned in
• Sylvania, Technical Notes (Aug. 1951 Vol. 18 No. 7, pages 7-8.)

• Author
• Model page created by Dave Oneill. See "Data change" for further contributors.

• Other Models

• Here you find 1130 models, 459 with images and 1003 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)