Servo-Amplifier, for infrared spectrophotometer
Servo-Amplifier, for infrared spectrophotometer, double beam Grubb Parsons GS4 model, c. 1964
Infrared spectrophotometer, double beam Grubb Parsons GS4 model, c. 1964
Servo-Amplifier, for infrared spectrophotometer, double beam Grubb Parsons GS4 model, c. 1964
Signal amplifier
Terminal panel
Steel frame
Two units for infrared spectrophotometer, double beam Grubb Parsons GS4 model, serial number 30, c. 1964
Two amplifiers for infrared spectrophotometer, double beam Grubb Parsons GS4 mode, serial number 79, c. 1964