| Richard Harmer Page one of Richard Harmer’s 1856 British patent application (No. 2832, "Stereoscopic Pictures") for the bicoloration of stereo photographs 1856 British patent Private collection of Paula Fleming LL/83498 Paula Richarson Fleming, July/August 2009 , "The Iridescent World of Bi-Colored Stereos", Stereo World, vol. 35, no. 1
| |