Alfred Harman and Co
of Peckham and Surbiton Hill
By 1863 Alfred Harman was advertising his photographic printing service.
1864 Harman set up in business in Peckham, South London.
1878 He patented his idea for "producing enlarged photographs with artistic finish".
1879 Alfred Hugh Harman began making Gelatine Dry Plates in the basement of his house in Cranbrook Road, Ilford, Essex. His business was named 'Britannia Works'.
1880 Harman moved to Roden Street, trading as the Britannia Works Company.