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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

Accession Number

D.1954.AH.14.9

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: most practically useful we could obtain / (the radii of the curve surfaces being ∴ about / 1:2) The focal length of twelve inches gives / a picture such as the eye sees it in nature / & the increased diameter of the lens gives / light enough for very rapid operation - / Of course Sir John Herschell's advice should not / be rejected of perfect achromativity in the / lens used. / = For Photographic purposes the objects [last letter of word crossed out] in / using the above cameras is to get the best [continued on next page]; lower right, graphite: 9.

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