Manuscript 'On the use of the Camera as a Photographic Instrument'
Maker
1798-1863
Title
Manuscript 'On the use of the Camera as a Photographic Instrument'
Date of Production
August 1848
Medium
Brown ink on pale blue/green wove paper
Dimensions
Height: 11.1 cm
Width: 16.9 cm
Width: 16.9 cm
Accession Number
D.1954.AH.14.10
Mode of Acquisition
A.A.D. Harding, bequest, 1954
Credit
Courtauld Gallery, London (Samuel Courtauld Trust)
Copyright
Work in the public domain
Location
Not currently on display
Keywords
Provenance
James Duffield Harding (1798-1863) and A.R. Harding; by descent to A.A.D. Harding; gift of A.A.D. Harding, 1954
Inscriptions
Inscription: Recto: beginning upper left and continuing for full page, brown ink: defined picture in the shortest time. / By too much enlarging the diaphragm we / admit much light, but lose distinctness & / vice versa ~ - Again for some purposes we / require a very rapidly ∴ a very sensitive / paper which for others this is not of so much / importance. Now in using the Talbotype / process - the more sensitive we make / the paper, the shorter time will it remain / sensitive or rather unspoilt for it / voluntarily embrowns if very sensitive [continues on next page]
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