Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,470 pages of information and 233,895 images on early companies, their products and the people who designed and built them.
1871 Superintendent of manufacture of horological, nautical and astromical instruments, lived in Kensington with his mother Amelia Gardner 56, widow, annuitant, and Thomas Gardner 20, articled clerk
1874 Admitted to the Freedom of the City of London.
1884 Left the partnership E. Dent and Co
1901 Henry Dent Gardner 53, retired chronometer manufacturer, lived in Eastbourne, with Annette Gardner 48, Edward Dent Gardner 16