One of these is in the Smithsonian labeled a “dosage meter.” It probably is part of a medical fake.
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
0-10 Amperes DC
Model 280
kilowatt hour scale and ammeter scale
0-100 Millivolts DC
Model 1
0.5-5 Amperes AC
Pattern No. 11
Serial No. 833837
3-15 Volts AC
Pattern No. 11
0-130 Volts AC, 25-125 cycles/sec
Model 155
