Reason slot meter, c.1920.
1918-1922
D.C. Bias indication meter 0 +/- 60 units
1918-1930
"Megger" capacity meter No.272183 by Evershed and Vignoles Ltd.
Petrol Flow meter R.A.F. No. 1189
Wright electrolytic supply meter
Ferranti type F2Q-100 single-phase induction kilowatt-hour meter
1979
B.T.H. ACT type single phse Induction Watt meter
Original Evershed meter
Watt Hour meter
Experimental Watt hour meter
1882
3-phase 3-wire Integrating Kilowatt hour meter
Siemens and Halske direct current indicating and integrating watt-hour meter
Forbes thermal meter
D.C. house service meter, commutator type
Landis and Gyr induction meter
1981
Ferranti type FPQ-102 single-phase induction pre-payment kilowatt-hour meter
1979
electricity meter, Aubert clock type, 1890
DC motortype Kilowatt hour meter
Reckenzaun's meter, 1888
1888
Heat therapy dose meter used by K. Mendelsshon FRS during the 1940's
Heterodyne capacity meter
1960
Katharometer, designed by W.Stuve, c. 1957
1957
Pair of vibration magnetometer magnets 2.5 inches long
Doserate Survey Meter Type 2604 serial number 1343
1980-1985
`Selectest' Multi-Range Test Meter Type D111
1950-1979
Multi-range meter set
1939-1945
Pair of vibration magnetometer magnets 4 inches long and a brass comparison bar
1816-1850
Inductometer, type 14 B
1934
Personal gamma dosemeter type 1756A
Field ratemeter type 1048A by Labgear Ltd.
Moving iron meter
1927
Current meter by Negretti & Zambra
Yaw meter as used on RAE rocket test vehicles.
Erythemometer for use by blind physiotherapist to estimate patient dose in light therapy
Cosmos inferential water meter; sectioned example
Reflolux S Blood Glucose meter manufactured by Boehringer Mannheim UK
1992
Two subscribers' telephone-call meters
Insulation and voltage measuring meter
Maxiscale Temperature Indicator
1970-1975
Potentiometer, type PiB2
1965
Kofranyi-Michaelis/Max Planck respiration gasmeter used for the collection of samples of expired air
Blutzucker-Kolorimeter of Crecelius-Seifert with 6 cavettes
1900-1980
Bilirubinometer, with reference manual
1900-1980
Hamometer, in small wooden case
1900-1980
Glass meter with stand and stopper
1900-1980
Glass meter with stand and stopper
1900-1980
Glass meter with stand and stopper
1900-1980
Glucochek blood glucose meter for use with Ames Dextrostix
1980
Telstor LF3A Level Indicator
1950-1960
Bikini TiB2 Portable Temperature Meter
1960-1965