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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)

Date of Production

August 1848

Medium

Brown ink on pale blue/green wove paper

Dimensions

Height: 11.1 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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