Reason slot meter, c.1920.
1918-1922
Telstor LF3A Level Indicator
1950-1960
Petrol Flow meter R.A.F. No. 1189
Stellameter (Star identifier)
Multi-range electrodynamic watt meter
D.C. Bias indication meter 0 +/- 60 units
1918-1930
Rate of Climb Meter
1953
Moving iron meter
1927
Katharometer, designed by W.Stuve, c. 1957
1957
Field ratemeter type 1048A by Labgear Ltd.
Personal gamma dosemeter type 1756A
Dobbie-McInnes depthometer
Nickel-plated brass water-flow meter by M. Sendtner
1930-1950
Yaw meter as used on RAE rocket test vehicles.
Depthometer by Dobbie-McInnes of Glasgow
Current meter by Negretti & Zambra
Water-flow meter by Secretan of Paris
1870-1900
Tellohm resistivity meter by Nash and Thompson Ltd.
1960
Taylor multi-range meter, model 90A, 1946
"Megger" capacity meter No.272183 by Evershed and Vignoles Ltd.
Aron watt hour, clock type meter
"Rotary" powerfactor meter for 3 phase circuit 257817
Lowne patent sympiezometer
1875
Inductometer, type 14 B
1934
Standard metre with rack motion to be used as a machine for dividing other metres
1870-1876
Spectra brightness spot meter. Also usable as an infra-red thermometer. Serial no.2176. Made by Photo Research Corp.
1970-1979
Glucochek blood glucose meter for use with Ames Dextrostix
1980
Hydraulic Supply Meter
1915-1925
Multi-range meter set
1939-1945
`Selectest' Multi-Range Test Meter Type D111
1950-1979
Sonometer with three wires
1900-1939
Insulation and voltage measuring meter
Carruthers current meter MkI
Siemens and Adamson water meter
B.T.H. ACT type single phse Induction Watt meter
Watt Hour meter
Alcolor breathmeter kit
DC motortype Kilowatt hour meter
Siemens and Halske direct current indicating and integrating watt-hour meter
Schonheyder Imperial positive water meter with glass cover
Kofranyi-Michaelis/Max Planck respiration gasmeter used for the collection of samples of expired air
Heterodyne capacity meter
1960
Torrent water meter
Meter for electronic determination of pH value of a soil suspension to "BS 1377"
1967
Bilirubinometer, with reference manual
1900-1980
Cosmos inferential water meter; sectioned example
Hamometer, in small wooden case
1900-1980
Erythemometer for use by blind physiotherapist to estimate patient dose in light therapy
Heat therapy dose meter used by K. Mendelsshon FRS during the 1940's
