This exquisite electrostatically deflected oscilloscope tube was designed for small instrument use. The trace was green of medium persistence.
For operating details See the attached data sheet.
The close-up of the electron gun shows the cathode assembly on the left, the electron lens for focus in the centre and at the right side the Y deflection plates can be seen.
The screen is 58 x 52 mm, and excluding the base pins, is 166 mm long.
Reference: Data-sheet. Type D7/200GH was first introduced in 1969. See also 1969 adverts.
Absolute Maximum Operating Conditions¶
PDF scanned from an original document held by the museum
Updated August 12, 2016.