Photograph (Experimental Photogenic Drawing), by Sir John Herschel, February 21, 1839 | |||||||||||
Inventory Number: | 35834 | ||||||||||
Object Type: | | ||||||||||
Persons: |
Sir John Frederick William Herschel (Photographer) | ||||||||||
Date Created: | 1839 | ||||||||||
Accession Number: | 1928-71 | ||||||||||
Brief Description: | Experimental photogenic drawing by Sir John Herschel, February 21, 1839, made as a fixing experiment during the earliest phase of his photographic researches. An unsuccessful trial of potassium iodide as an alternative to hypo. The inscription on the front implies the image was not visible at the time. Subject: not visible image??? Technique: not apparent Format: inscriptions horizontal Polarity: not apparent Orientation: not apparent Quality: no visible image??? Colour: pale primrose yellow, bright on front and much paler on back Chemistry: silver based, fixed with potassium iodide Coating: none Inscription: chemical note, signature, date Paper: xxx Condition: good Purpose: a fixing experiment using potassium iodide. For fuller descriptive and historical commentary see narratives. | ||||||||||
Primary Inscriptions: | 'Hydriod Pot JFWH. Photogr. Feb. 21/39' and on front 'Hydriod Pot' [hydriodate of potash; in Herschel's hand]. | ||||||||||
Provenance: | Presented by Miss Herschel and Lady Lubbock in 1928. They were the two surviving and youngest children of Sir John Herschel (Francisca and Constance). | ||||||||||
Collection Group: | Herschel's Photographic Experiments | ||||||||||
Material(s): |
Paper | ||||||||||
Dimensions: |
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Narratives | |||||||||||
Permalink: http://www.mhs.ox.ac.uk/object/inv/35834