- Hurter et Driffield
- eng. H et D
Dictionnaire russe-français universel. 2013.
Hurter et Driffield
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Hurter and Driffield — Ferdinand Hurter (1844–1898) and Vero Charles Driffield (1848–1915) were nineteenth century photographic scientists who brought quantitative scientific practice to photography through the methods of sensitometry and densitometry. Among their… … Wikipedia
Driffield — For the units of optical density, see Hurter and Driffield. Coordinates: 54°00′18″N 0°26′17″W / 54.005°N 0.438°W / … Wikipedia
Hurter & Driffield — H D Kurve in der Sensitometrie Ferdinand Hurter (1844 1898) und Vero Charles Driffield (1848–1915) waren Wissenschaftler des 19. Jahrhunderts auf dem Gebiet der Fotografie. Sie untersuchten die Fotografie quantitativ und verwendeten Methoden der… … Deutsch Wikipedia
Hurter & Driffield — Ferdinand Hurter (* 16. März 1844 in Schaffhausen; † 5. März 1898 in Widnes[1]) und Vero Charles Driffield (1848–1915) waren Wissenschaftler des 19. Jahrhunderts auf dem Gebiet der Photographie. Sie untersuchten die Fotografie quantitativ und… … Deutsch Wikipedia
Vero Charles Driffield — (1848–1915) was a chemical engineer who also became involved in photographic research.Driffield was educated at Liverpool Collegiate and Sandbach Grammar School. He also attended a private school in Southport where he came into contact with a… … Wikipedia
Ferdinand Hurter — Infobox Scientist name = Ferdinand Hurter image width = caption = Ferdinand Hurter. Photograph taken by his colleague in photographic research, Vero Charles Driffield birth date = 15 March 1844 birth place = Schaffhausen, Switzerland death date … Wikipedia
Ferdinand Hurter — (* 16. März 1844 in Schaffhausen; † 5. März 1898 in Widnes[1]) war ein Schweizer Chemiker und Fotografietheoretiker. Leben Hurters Elte … Deutsch Wikipedia
Ferdinand Hurter — Ferdinand Hurter. Photographie prise par son collègue de recherche, Vero Charles Driffield Naissance 15 mars 1844 Schaffhouse (Suisse) Décès 1 … Wikipédia en Français
Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… … Wikipedia
Sensitometry — is the scientific study of light sensitive materials, especially photographic film. The study has its origins in the work by Ferdinand Hurter and Vero Charles Driffield (circa 1876) with early black and white emulsions. [Hurter, Ferdinand… … Wikipedia
Actinograph — An actinograph is an instrument for measuring or estimating the amount of light available, in terms of its ability to expose photographic film. That is, it measures the actinic or chemical intensity of light, as opposed to radiometric or… … Wikipedia
