Vacuum Tube Voltmeter
Model IM-11
Scalamp Galvanometer,
Cat. No. 7890/S
Analog Voltmeter 0-150 Volts DC
Cat.No. 3064 G
Analog Voltmeter 0-150 Volts DC
Cat. No. 3062 T
0 - 10 Amperes DC,
Cat. No. 3057S
Analog Voltmeter 0-7.5 Volts DC
Cat. No. 3057 K
Analog Voltmeter 0-7.5 Volts DC
Catalog No. 3057K
Analog Ammeter 0-5 Amperes DC
Model 280
Analog Ammeter 0-30 Amperes DC
model 280