M.57 the Ring Nebula Size:S: 30 x 25cm Original is oil on canvas

Original is oil on canvas 213

a title above

again involving the use of nitre (saltpetre) in 'the emendation of Metals'

Mrs Shirley showing the Queen the Warping machine

View showing the sign of the Indian Queen and Half Moon Street

M.57 the Ring Nebula Size:S: 30 x 25cm Original is oil on canvasPlate 10 figure 29 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. The object is illustrated with a scale of 0 2 minutes below, not on the published plate. Inscribed verso, in pencil, '57 Mess[ier]. Between Beta and Gamma Lyrae.' With right