however Fulhame focused specifically on water rather than heavy metals.

Further, Eder, in 1905, and Schaaf consider her work on silver chemistry to be a landmark in the birth and early history of photography. Fulhame's work on the role of light sensitive chemicals (silver salts) on fabric, predates Thomas Wedgwood's more famous photogram trials of 1801. Fulhame did not, however, attempt to make "images"