"We subjoin a full and complete statement of the whole of the exhibits, with the names of the contributors:--
"Capt. Abney, R.E., F.R.S.--Papyrotype process, executed at the School of Military Engineering, Chatham.
"W. Andrews--Wet collodion negatives, intensified by the Schlippes salt method.
"T. and R. Annan--Calotype process (negative and print), taken by D. O. Hill.
"F. Beasley, jun.--Collodio-albumen negatives.
"W. Bedford--One of Archer's first cameras for collodion process, stereoscopic arrangement by Archer to fit a larger camera.
"Valentine Blanchard--Instantaneous views, wet collodion, 1856-65. Illustrations of a method of enlargement, as proposed by V. Blanchard, 1873. Modification of the Brewster stereoscope by Oliver Wendell Holmes.
"Bullock (Bros.)--Photo-lithography, 1866 (Bullock's patent).
"T. Bolas, F.C.S.--Detective camera, 1876. Negative photograph on bitumen, made insoluble by the action of light. Carbon negatives stripped by Wenderoth's process.
"E. Clifton--Portrait of Daguerre. Crystallotype by J. R. Whipple, 1854. Specimens from "Pretsch" photo-galvano-graphic plates, 1856.
"T. S. Davis, F.C.S.--A combined preparation and wash bottle for gelatine emulsion. Adjustable gauge for cutting photographic glasses.
"De la Rue and Co.--Surface printing from blocks executed by Paul Pretsch, 1860.
"W. England--Old Daguerreotype developing box. Old ditto sensitising box. Old camera, 1860, with rapid inside shutter. Instantaneous views in Paris, wet collodion, 1856-65.
"Edinburgh Photographic Society--Archer's water lens.
"James Glaisher, F.R.S.--Nature printing, taken over thirty years ago.
"G. Fowler Jones--Prints from negatives by Le Gray's ceroline process.
"R. Kennett--Skaife's pistolgraph. Globe lens.
"Dr. Maddox--Some of the earliest gelatino-bromide negatives, by the originator of the process, 1871.
"Mudd and Son--Collodio-albumen negatives.
"R. C. Murray--Early Talbotype photographs, 1844-45.
"H. Neville--Camera with Sutton's patent panoramic lens.
"Mrs. H. Baden Pritchard--Impressions from pewter plates of heliographic drawing, by Nicéphore Niépce, 1827. Original letter, by Nicéphore Niépce, sent to the Royal Society, 1827. View of Kew, taken by Nicéphore Niépce, 1827.