Manuscript 'On the use of the Camera as a Photographic Instrument'
Manuscript 'On the use of the Camera as a Photographic Instrument' (verso)
Maker
1798-1863
Title
Manuscript 'On the use of the Camera as a Photographic Instrument'
Manuscript 'On the use of the Camera as a Photographic Instrument' (verso)
Manuscript 'On the use of the Camera as a Photographic Instrument' (verso)
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.14.7
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 continuing for full page, brown ink: the spherical aberration, the result is / an image having the maximum of ad. / -vantage in flatness of field as well / as in distinctness of the object. Moreover / by this form of single lens, the more / distant objects are imaged with less / confusion that by any other and / the more we diminish the aperture / of the diaphragm the more perfectly / are these affects produced.; lower right, graphite: 7.
Verso: beginning upper centre left, continuing for full page, brown ink: For Talbotypes Claudet uses Voytlanders / 4 inches diameter - 13 inches fore length. / (40 guineas) I a [this last letter crossed out] cando a portrait in 15" / with only a gauge veil before the sun. / N.B. he uses the whole aperture - He takes / from 15 " to 80 " to do his portraits..
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