Photograph (Experimental Photogenic Drawing), by Sir John Herschel, June 16, 1839 | |||||||||||
Inventory Number: | 85243 | ||||||||||
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, June 16, 1839, made as a fixing experiment, part of a series using potassium iodide and monitoring its bleaching effects and after-effects. Subject: engraving, ?lady Technique: contact copy (print) from a negative Format: vertical Polarity: positive Orientation: not apparent Quality: barely discernible Colour: pale yellow Chemistry: silver based, fixed with sodium chloride and potassium iodide Coating: none Inscription: chemical and procedural note, date Paper: xxx Condition: good Purpose: a fixing experiment, see above. For fuller descriptive and historical commentary see narratives. | ||||||||||
Primary Inscriptions: | 'Overfixed by | Mur Sod &+ [&+ are superimposed] Hydr. Pot | June 16.' [muriate of soda, 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 | |||||||||||
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