What purpose does it serve?" Her work is currently the subject of a retrospective at the International Center of Photography in New York and a new book, In History, explores the ways she has re-used and re-contextualised her own photographs, testing their values as they have shifted over time.
The matting agent in these photographs tested negative to the iodine potassium iodide test and is thought to be colloidal silica.
Photograph: A test photo of Johanna Ter Steege for "The Aryan Papers".
Each set included six different photographs and one randomly selected repeated smile photograph to test reliability.
For "Chemical and Biological Weapons Proving Ground" (2006), Paglen photographed a test site in Dugway, Utah, from forty-two miles away.
After the war he and his associates photographed nuclear test explosions.
They point to a series of incidents, including a letter he signed attesting that he witnessed Hine sign a photograph that tests showed was printed decades after his death.
After taking digital photographs of test and spines through a stereo microscope, identification of species was done using the diagnostic keys (Price 1981).
When plants were subjected to salt stress for 5d, the plants were photographed to test tolerance of introgressant (RZ35) and its rice parental (cv. Matsumae) to salt stress.
Based on the diagnostic keys of Price (1983), the photographs of test and spines belong to Echinometra mathaei (de Blainville 1825) (Figs. 2, 3).
