Eurometers model E6 ultrasonic gas meter
1994
Vulcan portable test gauge
1920-1950
Circular wet gas meter made by Thomas West and Company
gas meter
Gas meter, as used in air sampling
1960-1969
Pre-payment device.
1920-1950
J Cochrane Gas meter
Gas meter
Gas meter used on 1953 Mount Everest expedition
1952-3
Gas meter from atmospheric pollution smoke filter and volumetric sulphur dioxide apparatus
1964
Pressure recorder
circa 1979
Demonstration Parkinson Cowan gas meter
1977
Gas meter
Vulcan Meter Co. gas meter
1926
West & Gregson gas meter
1894
E6S Ultrasonic Gas Meter
1996
gas meter
1871
Gas Meter
1882
Holmes-Connersville positive displacement gas meter
1955
Telling and Johnson Dry gas meter
Gas meter
circa 1900