


Vulcan portable test gauge
1920-1950

Gas meter, as used in air sampling
1960-1969

Circular wet gas meter made by Thomas West and Company

J Cochrane Gas meter

Pre-payment device.
1920-1950

Eurometers model E6 ultrasonic gas meter
1994

West & Gregson gas meter
1894

E6S Ultrasonic Gas Meter
1996

Gas Meter
1882

gas meter
1871

Vulcan Meter Co. gas meter
1926
Telling and Johnson Dry gas meter
Pressure recorder
circa 1979
Holmes-Connersville positive displacement gas meter
1955
Gas meter
circa 1900