M.51 the Whirlpool Galaxy Size:XL: 90 x 90cm Cook freom a Miniature by

Cook freom a Miniature by W

A perspective view of a horse-gin operated pile driver

The Royal Society's copy was donated by the author on 20 January 1791

Pongo pygmaeus shown from the front

M.51 the Whirlpool Galaxy Size:XL: 90 x 90cm Cook freom a Miniature byPlate 10 figure 25 for the paper "Observations of nebulae and clusters of stars, made at Slough, with a twenty feet reflector, between the years 1825 and 1833", by Sir John Frederick William Herschel, Philosophical Transactions of the Royal Society, v. 123 (1833), pp. 359 505. Inscribed verso, in pencil, "Messier 51" with right ascension and North polar distance. Original: pencil on board. 1833