DR RICHARD MADDOX DRY PLATE PHOTOGRAPHY By Johnny

DR RICHARD MADDOX DRY PLATE PHOTOGRAPHY By Johnny Reindhart, and Cody Clausen

DR. RICHARD MADDOX • • • Bath, England in August, 1816. English physician, worked on photomicrography and wrote on various photographic topics. 1871 - greatest contribution to photography was made. Charles Bennett and others made gelatin dry plates for sale. 1901 - Received the Royal Photographic Society’s Progress Medal.

DISCOVERY IN 1850 • • 1857 - Dr Richard Hill Norris formed the Birmingham Dry Collodion Plate Company. Long exposure times were required for the dry plates, so wet plates continued to be used for a further twenty years.

DISCOVERY IN 1870 • 1871 - Richard Leach Maddox suggested that silver bromide held in a layer of gelatin should be used in preference to collodion for coating dry plates. • Joseph Wilson Swan - also credited with having invented the dry plate. • 1878 - Dry gelatin plates began to be produced in large numbers, following experiments by J Burgess and Richard Kennett, and discovery by

THE DRY PLATE • Dry Plate - A former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion. • Also known as Gelatin Bromide.

THE DRY PLATE • They brought convenience to photographers. • Since Gelatin plates were made in factories, standardization of materials were introduced to photography.

LANDSCAPE PHOTOGRAPHY • Considerably simplified the process of taking photographs, particularly landscapes.

EXPOSING THE PLATE 1. Put the dry plate, in its plate holder, into a camera. 2. Slide the cover from the plate holder, to uncover the dry plate. 3. Uncover then re-cover the lens. 4. Slide the cover on the plate holder back over the dark slide. 5. Remove the plate holder from the camera and take home for processing.

THE PROCEDURE 1. Washing the glass, 2. Preparation of subbing layer, 3. Pouring on the emulsion.

REFERENCES • http: //www. curious-eye. com/photography_pg 8. php • http: //www. darkestroom. com/history/biographies/richar d-leach-maddox/ • http: //thelightfarm. com/Map/Dry. Plate. Part 1. ht m • http: //inventors. about. com/od/weirdmuseums/ig/Illustra ted-History-Photograph/Dry-Plate-Photograph. htm • http: //en. wikipedia. org/wiki/Richard_Leach_Maddox • http: //www. alternativephotography. com/wp/processes/ gelatin-silver/silver-gelatin-dry-plate-process • Last. Warren, Bruce. Photography: The Concise Guide. Second Edition. Boston: Wadsworth, 2003. 197.