Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,590 pages of information and 209,949 images on early companies, their products and the people who designed and built them.
of 23 Davies Street, London, W1. Telephone: Mayfair 1354. Telegraphic Address: "Gircopump". Westdo, London"
1889 Company established.
1895 Girdlestone, Tatham and Co, of Berkeley Square, London, advertised Anderson's Patent Arc lamps
1937 Listed Exhibitor - British Industries Fair. Centrifugal Pumps, electrically driven, with high efficiency super silent characteristics. Diaphragm Pumps for acidulous and abrasive liquids. Brine Pumping Equipments, reversible type. Float Switchgear. Small Circuit Breakers. Reverse Flow Valves. (Stand No. D.421a) 
1939 Advertising a two-stroke engine rated at 1 hp / 2,500 rpm.