Portrait of an American, c.1870, Tintype, 55 x 40 mm, Unknown Photographer, PhotoMuse Collection, 2018, Gift of Dr. Unni Krishnan Pulikkal, Source – Herbert Ascherman Collection.

A tintype, also known as a melainotype or ferrotype, is a photograph made by creating a direct positive on a thin sheet of metal coated with a dark lacquer or enamel. There are two historic tintype processes: wet and dry. In the wet process, a collodion emulsion containing suspended silver halide crystals had to be formed…

Jodhpur King Maharaja Sardar Singh, c.1900, Albumen Print, 155×108 mm, Unknown Photographer, PhotoMuse Collection, 2017, Gift of Dr. Unni Krishnan Pulikkal.

Maharaja Sir Sardar Singh Bahadur GCSI (11 February 1880 – 21 March 1911) was the Maharaja of Jodhpur State (historically known as the Kingdom of Marwar) from 11 October 1895 till his death. He succeeded his father Maharaja Sir Jaswant Singh II in 1895. He reigned under the Regency of his uncle until he came…