1888 - business founded in Wimbledon; 1899-1922 - business located at 82 Turnmill Street, London, England; 1921 - Incorporated as a limited company. 1950-1975 - Traded at Lombard/ Morden Rd., Merton, London (SW19). 1996 - Company moved to 8 Deer Park Rd., Merton, London (SW19). 1990 - Taken over by RAPID 9680 Limited, but still trading as G. H. Zeal Ltd. in 2010.