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Moving-coil voltmeter model 505 serial no.323683 by E.T.E.I. Ltd.

1940

Moving-coil d.c. milliammeter model 505 serial no.800624

1944
Moving-coil meter type 102Pr no.2186456 by Ernest Turner Electrical Instruments, High Wycombe, Bucks., with 5 ranges scaled 16, 40, 80, 120 and 160 kilogauss (corresponding to 10, 25, 50, 75 and 100 volts at 1000 ohms/volt)

Moving-coil meter type 102Pr no.2186456 by Ernest Turner Electrical Instruments

1966
Precision grade (BS89) moving-coil meter, model 102Pr no. 2555780, by Ernest Turner Electrical Instruments Ltd., High Wycombe, Bucks., England. 75mV, 5mA full scale, scaled 0-100 by 0.5 and 0-300 by 2 divisions. With wooden cover containing certificate of inspection and test dated 18 September 1967. (With 6 shunts and external leads, parts 1 to 7.)

Precision grade (BS89) moving-coil meter

1967