 The photographic prints in the collection are mainly albumen and silver gelatin prints, on both printed and developed out paper.They consist of portraits, landscapes and architectural images and views of the Indian subcontinent by established photographers or studios such as Lala Deen Dayal, Jonston & Hoffman and Bourne & Shepherd.The glass plate negatives are primarily the work of Maharaja Sawai Ram Singh II or his studio – the "tasveerkhana" – and are wet collodion plates, which was the dominant technology in use from the 1850s–1880s.