The Forty-Foot Telescope at Slough. Photographed

by Sir John F.W. Herschel photographed 9 September 1839; this print made in August 1890 by Sir John Frederick William Herschel

$25,000 · Offered by Jonathan A. Hill Bookseller · No longer available

1890. Circular silver photographic print, 92 mm. in diameter, mounted on paper incorporating a printed title and descriptive letterpress dated August 1890 with the signatures of two of Herschel’s sons, mounted on card. Some small areas of abrasions to the paper surface. In the original frame, by Ryman & Co. of Oxford, made from the rungs of the ladder to the telescope. With a fragment of an original ? printed descriptive notice on the back. This is

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