Francisco Maria Grimaldi (1618-1663). 

Los 37
28.04.2021 11:00UTC +00:00
Classic
Startpreis
£ 10 000
AuctioneerCHRISTIE'S
VeranstaltungsortVereinigtes Königreich, London
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ID 519327
Los 37 | Francisco Maria Grimaldi (1618-1663). 
Schätzwert
£ 10 000 – 15 000
Francisco Maria Grimaldi (1618-1663). 
Physico-mathesis de lumine, coloribus, et iride. Bologna: heirs of Victorio Benacci for Girolamo Bernia, 1665.
First edition of Grimaldi’s only publication, the celebrated discovery of optical diffraction. In this important work, which would be quoted by Isaac Newton in his Opticks, Grimaldi describes his discovery of the inflection of the solar rays near certain bodies. He was the first to declare that the diffusion of light was instantaneous. The diffraction experiments which Grimaldi describes show ‘that a new mode of transmission of light had been discovered and that this mode contradicts the notion of an exclusively rectilinear passage of light. Diffraction thus gave prima facie evidence for a fluid nature of light. The name “diffraction” comes from the loss of uniformity observed in the flow of a stream of water as it “splits apart” around a slender obstacle placed in its path.’ (DSB). Honeyman 1559; Riccardi I, 631.

Quarto (250 x 182mm). Title with large engraved vignette, additional letterpress title printed in red and black, woodcut illustrations and diagrams (quire a with slight soiling at top margin and a few small stains, a few leaves lightly spotted or browned, final six quires with light marginal waterstaining). 18th-century vellum, manuscript title on spine (lightly marked). 
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