Photograph (Experimental Photogenic Drawing, Cyanotype), by Sir John Herschel, c.1842 | |||||||||||
Inventory Number: | 28492 | ||||||||||
Object Type: | | ||||||||||
Persons: |
Sir John Frederick William Herschel (Photographer) | ||||||||||
Date Created: | |||||||||||
Accession Number: | 1928-71 | ||||||||||
Brief Description: | Experimental photogenic drawing (cyanotype) by Sir John Herschel, undated, c.1842, made in the course of the experiments in which he invented the cyanotype. Subject: engraving, lady outdoors holding book on her knee Technique: contact copy (print) from a negative??? Format: vertical Polarity: positive Orientation: correct??? Quality: good detail, too dark in places??? Colour: dark blue with very dark darks and pale blue lights, uneven pale blue to natural border, rusty stain, plain back with slight blue stains Chemistry: cyanotype, Herschel's numbers indicate two sensitising mixtures mixed, 716 being ammonio-tartrate of iron (see 48235) Coating: none Inscription: numbers Paper: normal Condition: good Purpose: a cyanotype experiment. For fuller descriptive and historical commentary see narratives. | ||||||||||
Primary Inscriptions: | '724 + 716 mixed' [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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