Fig. 1. Sensitometric testing at Ilford Ltd. 1938. Courtesy Redbridge Library and Heritage Centre
Fig. 2. Nadar and Darjou, “Revue du quatrième trimestre de 1858”, Journal amusant, no.159, 15 January 1859, p.1 (Bibliothèque nationale de France)
Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?
To request a reprint or corporate permissions for this article, please click on the relevant link below:
Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?
Obtain permissions instantly via Rightslink by clicking on the button below:
If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.
https://orcid.org/0000-0003-3798-7227