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Photograph (Experimental Photogenic Drawing, Cyanotype), by Sir John Herschel, July 12, 1842

Inventory Number: 94534
Object Type:
Persons: Sir John Frederick William Herschel (Photographer)
Date Created: 1842
Accession Number: 1928-71
Brief Description: Experimental photogenic drawing (cyanotype) by Sir John Herschel, July 12, 1842. Most of border trimmed away. Herschel's inscription and the green-blue colour suggest a variant procedure or chemistry.

Subject: engraving 40546, lady with laurel crown
Technique: contact copy (print) from a negative???
Format: vertical
Polarity: positive
Orientation: looks right???
Quality: xxx
Colour: dark and light greeny-blue, plain back
Chemistry: variant of cyanotype chemistry (see Herschel's inscription)
Coating: none
Inscription: date, chemical and procedural notes
Paper: xxx
Condition: good
Purpose: a cyanotype experiment using variant procedure or chemistry (see above).

For fuller descriptive and historical commentary see narratives.
Primary Inscriptions: 'July 12 | [word rubbed out] | Chrysot [crossed out] | Ferrocitric paper | washed after H/2O | [?]then with FCP' [ferrocyanate 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
Height Width Depth Diameter Unit
80 63 mm


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