Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,936 pages of information and 233,602 images on early companies, their products and the people who designed and built them.
of 3 Crown Court, Old Broad Street, London.
1897 The company was registered on 29 September. 
1900 Air pumps of the Edwards' design were used in the condensing plant at Port Dundas Generating Station
1904 Frank L. Rowe was manager of the company
By 1909 was a public company
1909: 555 pumps booked in the year, compared with 792 in 1908, of which 55% were for marine use