At Tate Britain
Anne Wagner: ‘Salt and Silver’, 21 May 2015
“... negative was fixed allowed a precision which, at this point, paper couldn’t match. Yet printing black on silver makes for an image that isn’t only expensive, but also difficult to see – one of many reasons why by the mid-1860s, silver-based negatives (as well as paper ones) had mostly yielded to glass. The brief triumph of the paper negative is a key ... ”