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of Ranelagh Works, Royal Avenue, Chelsea, London, SW3, Dry Gas Meter Manufacturers. Telephone: Kensington 7454. Telegraphic Address: "Dry Meters, 'Phone, London"
1860 Company established, presumably by Dr George Glover
Received awards for Dry Gas Meters at the principal International Exhibitions from 1861.
1867 Awarded a silver medal for dry gas meters at the Paris Exposition.
1901 Incorporated as a limited company.
1901 Amalgamated with Richmond Gas Stove and Meter Co
1914 Manufacturers of dry gas meters and automatic coin meters. 
1919 Patent - Improvements in prepayment meters.
1922 Branches: Gaythorn Meter Works, Easton Street, Manchester; 9, Dewsbury Road, Leeds. Specialities: Automatic Coin Meters; also Dry Meters.
1930 Cecil George Langford was appointed general manager
1937 Listed Exhibitor - British Industries Fair. Small High Capacity and Standard Dry Gas Meters, Multi-coin, Convertible and Single-coin Prepayment Types. Industrial Meters. Test and Salesmen's Demonstration Meters. Gas Meter Components. (Stand No. Ca.609) 
1938 Patent - Improvements relating to valves for prepayment gas meters and other like apparatus.
1939 Langford became managing director