Axial Commons Image Treasury
Coloured engraving titled Optics with numbered diagrams of lenses, light rays, a rainbow, a prism, and a large human eye.

Optics: optical phenomena. Coloured engraving by J. Emslie, 1850, after himself.

A coloured educational engraving titled Optics, arranged as a grid of numbered diagrams on a pale ground. Sections show a sun disc, lenses in cross-section, light rays refracting through prisms and glass bowls, a human eye with labelled parts, and a rainbow over a spectrum chart.

Artist
John Emslie
Date
10 December 1850
Medium
Engravings
Source
Wellcome Collection
Size
3186 × 4000 px
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Public domain · Wellcome Collection marks it Public Domain Mark; made by 1850.
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)

Credit (appreciated, not required for public-domain works): Wellcome Collection

Español: Óptica: fenómenos ópticos, grabado ilustrado

Un grabado educativo coloreado titulado Óptica, organizado en una cuadrícula de diagramas numerados sobre un fondo claro. Se ven un disco solar, lentes en corte transversal, rayos de luz refractados por prismas y cuencos de vidrio, un ojo humano con partes señaladas y un arcoíris.

Português: Óptica: fenômenos ópticos, gravura ilustrada

Uma gravura educativa colorida intitulada Óptica, organizada em uma grade de diagramas numerados sobre um fundo claro. Aparecem um disco solar, lentes em corte transversal, raios de luz refratados por prismas e tigelas de vidro, um olho humano com partes identificadas e um arco-íris.