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Photograph (Experimental Photogenic Drawing), by Sir John Herschel, 1839

preview image for Photograph (Experimental Photogenic Drawing), by Sir John Herschel, 1839
Inventory Number: 27352
Object Type:
Persons: Sir John Frederick William Herschel (Photographer)
Date Created:
Accession Number: 1928-71
Brief Description: Experimental photogenic drawing by Sir John Herschel, undated but 1839, made as a fixing experiment during the earliest phase of his photographic researches. An unsuccessful trial of potassium ferrocyanide as an alternative to hypo. There is a clear division between right and left halves, the latter being slightly darker. That Herschel's inscription is on the front suggests the experiment was a failure from the outset.

Subject: engraving, no discernible image
Technique: contact copy (print) from a negative
Format: horizontal
Polarity: positive
Orientation: not apparent
Quality: no discernible image, light border
Colour: pale blue, darker in left half, cloudy right, with dark blue blotches and fawn strip at edges
Chemistry: silver based, fixed with potassium ferrocyanide
Coating: none
Inscription: chemical note
Paper: xxx
Condition: good
Purpose: a fixing experiment using potassium ferrocyanide.

For fuller descriptive and historical commentary see narratives.
Primary Inscriptions: 'weak Ferrocy Pot' [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:
Height Width Depth Diameter Unit
75 119 mm

Narratives

Image with multimedia irn 18462

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