l.o.: B. Wilson pinxt r.o.: J.R. Smith sculpt. Onder: JOHN DOLLOND F.R.S. / WIth the year 1758 invented the ACHROMATIC TELESCOPE, by discovering the difference in the dispersion / of the coulors of light, when the mean rays are equally refracted by different mediums: An important addition to the / science of opticks, wich had been despaird of by the greatest Philospohers in Europe. / He died 30th. November 1761 in the 55 th Year of his age.
Beschrijving
Mezzotint, halffiguur frontaal zittend achter een tafel waarop een boek en een optisch instrument.
Formaat
Hoogte: 41.2 cm Breedte: 32.6 cm
Documentatie
Portraits of doctors & scientist, in the Wellcome Institute of the History of Medicine, by Renate Burges. London, 1973, 832 - 1.
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