View of the Royal Observatory, Cape of Good Hope, by Charles Piazzi Smyth (1819-1900), 1842.
The beginning of the watermark - 'J. Whatman' - of the paper on which the calotype is made is just visible.
With Calotype 3, the earliest successful photograph to be taken in South Africa.
Museum home page
(c) Museum of the History of Science, Broad Street, Oxford, England.