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Engraving of oil painting, portrait of Thomas Mudge, 1799
Print of Thomas Mudge (1717-1794), clockmaker. After an oil painted by Sir Nathaniel Dance-Holland (1736-1811) in 1772, engraved by Luigi Schiavonetti (1765-1810). Engraving, stipple 31x26cm., image 17.6x13.9cm. Portrait, HL seated. Thomas Mudge invented the 'lever escapement', crucial in the improvement of watches and developed marine chronometer, following the earlier work of John Harrison
Portrait print from engraving of Peter Dollond, 1820
Print. engraving, stipple, Peter Dollond Esqr. / James Thomson, London, published for the European Magazine by James Asperne, 32 Cornhill, London, 1st. Septr. 1820, 16 x 10cm after the oil by John Hoppner (1758-1810). Portrait Peter Dollond, 1730-1820, optician. HL to L in background left, telescope.
Print from engraving of John Dollond, 1830-1839
Print, engraving, stipple, John Dollond, "From an original picture (oil by Benjamin Wilson) in the Royal Observatory, Greenwich.","Under the Superintendance of the Society for the Diffusion of Useful Knowledge". Plate from Gallery of Portraits / C. Knight, 1834-37, engraved by James Posselwhite, overall: 22x19cm., image 12.7x10.1cm. Portrait of John Dollond, HL looking R, seated at table, holding achromatic prism in l. hand. Ref: Wellcome, 832.3; Woodcroft, Gallery, 84 ; O'Donoghue (wrongly cites as Peter Dollond).
W James Civil Engineer
Alfred Edward Chalon
print. engraving, stipple. W James Civil Engineer. Projector of the Liverpool & Manchester & other Railways. Born 13th June 1771. Died 22nd April 1837. Engraved by W. Roffe from a Miniature by [A.E.] Chalon. [London] Published Octr. 1st. 1839 W.A. Robertson. 19x12cm., image 8.7x7.5cm. Plate from: Mechanics Magazine. - Portrait, William James 1771-1837 HS, vignette; with facsimile signature. Alfred Edward Chalon c1780-1860
Graces awakening Cupid
Stipple engraving, Graces awakening Cupid, (Dormio Innocuous), by William Wynne Ryland, issued [21 May] 1776 after a painting by Angelica Kauffmann. Printed in red, on laid paper; cut to roundel, 31.5cm diameter, in new mount and frame, 46x46x3cm. Formerly inventoried as a sun picture by James Watt; please see information sheet for fuller details.