Thomas Lewis’ electrocardiograph
1930
Portable electrocardiograph machine
1929
Weight perception apparatus in case
1893
Portable electrocardiograph, Cambridge, England, 1946
1946
Thermocouple Potentiometer (Electrical Resistance Meter), 1928
1928
Whipple patent temperature indicator
1900-1982
Disappearing filament pyrometer by the Cambridge Instrument Co. Ltd. England
1948-1953
Weston Normal Cell
1928
Oscillograph, Cambridge Instrument Co. No. L 28466
1930
Sub-standard 1000 ohm resistance
1930
Motor driven oscillograph unit with "linear sweep" mirror
1925
Electrostatic oscillograph
1925
Weston normal cell by Cambridge Instrument Co.
Model of suspension for Paschen galvanometer
1930
Campbell mutual standard by Cambridge Instrument Co.
1925-1930
Model of Lindemann electrometer mounted under lens
1930
Ballistic galvanometer by the Cambridge Instrument Co. Ltd.
1940
Single-thread chart recorder
1943
Ballistic galvanometer no.N1573
1943
'Grassot' fluxmeter
1948
Wheatstone bridge
A.C.-D.C. decade resistor
Multi-range current shunt for Unipivot galvanometer
1935-1944
Grassot fluxmeter
1944
Cloud chamber or 'ray-track apparatus'
1955
Ayrton-Mather moving coil galvanometer no. L-49707
1930-1935
Ayrton-Mather universal shunt no. L-105029
1939-1940
Potentiometer, by Cambridge Instrument Co. Ltd.
Grassot Fluxmeter
1930
Yule Harmonic analyser made by Cambridge Instrument Company Ltd. Pat. No. 14928
1890-1894
Campbell's constant inductive rheostat
1926-1930
Spot galvanometer
1962
Whipple Temperature Indicator serial no. C620290
1957
Moll galvanometer
1927
Cambridge Instrument Company Ltd PH meter
1950
Lamp and scale outfit for reflecting galvanometers
1930
Cambridge pH meter, serial no. 24871
Vacuo-junction mounted in holder
1930
Unipivot moving-coil galvanometer
1955-1964
Duddell oscillograph by Cambridge Instrument Co.
1927
Deflection potentiometer no.L-270305 by the Cambridge Instrument Co. Ltd.
1950-1959
Cambridge thermionic voltmeter
1930
Thermocouple ammeter
1937
Cambridge portable potentiometer
1957
Resistance thermometer for air temperature
1900-1982
Resistance thermometer for air temperature
1900-1982
Vacuo-junction and holder (latest type)
1930
Early Thermionic voltmeter (Cambridge Inst. Co.)
1925
Current transformer serial no.L76614
1925
Resistance box no. L 170297 by the Cambridge Instrument Co. Ltd.
1940-1950