ID: 
73
Maker's Name: 
Tektronix, Guernsey CI
Where made: 
England
Where used: 
UQ research Labs
circa 1965
Dimensions: 
23 × 17 × 14 cm

Plug-in unit for 500 Series Tektronix oscilloscopes.

Dual channel vertical amplifier. 0.05 to 20.0 Volts/cm variable.

Frequency bandwidth unknown.