He subsequently moved to Woolwich in southeast London where he continued to work.
He married Eliza Read on 26 June 1858 in the New Chapel, St Nicholas Street, Ipswich.
[1] Cobb had his premises in 1 Clarkson Street, Ipswich[2] and also supported Richard Dykes Alexander, an amateur photographer who lived nearby.
[4] After taking over the business of William Heathman, 77-78 Wellington Road, Woolwich in 1872,[5] Cobb took photographs of members of the Royal Military Academy, Woolwich for use in Carte-de-visites.
[6] He contributed several articles to the British Journal of Photography in 1880, including a paper he delivered to the South London Photographic Society (SLPS) on "Ballooning from a Photographic Point of View" in which he suggested that the SLPS obtain a balloon of its own.