of Terminal House, Grosvenor Gardens, London, SW. Telephone: Sloane 0111. Telegraphic Address: "Disc, Sowest, London". (1937)
c.1890 Established by W. and B. Cowan to produce leather diaphragm for gas meters[1].
1900 Formation of Parkinson and W. and B. Cowan
1918 Opened a new factory at Stretford, Manchester, to manufacture gas meters.
1925 Public company
1927 Patent - Improvements relating to wet gas meters. [2]
1928 Renamed as Parkinson Cowan
1929 Patent - Improvements in and relating to gas meters. [3]
1930 Parkinson Cowan formed Metropolitan Leather Co Ltd to take over the leather activities of Parkinson and Cowan (Gas Meters) Ltd[4].
1937 Listed Exhibitor - British Industries Fair. Gas Engineers. Manufacturers of Industrial and Consumers' Gas Meters, Governors of all types, Pressure Gauges, etc. Testholder Equipment. Meter Repairs. Specialists in Street and Floodlighting Equipment. (Stand Nos. Ca.703 and Ca.602) [5]
1937 Parkinson and Cowan (Gas Meters) Ltd - Listed Exhibitor - British Industries Fair. Gas Apparatus for Measuring and Recording, including Tin and Iron Meters, Optional Coin Meters, Rotary Meters, Station and Retort House Governors, Test Meters, Gauges, Meter Parts and Accessories. (Stand Nos. Ca.703 and Ca.602) [6]
1958 Parkinson and Cowan had 3 divisions[7]:
Name changed to Parkinson Cowan[8].