Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Iniciar sesión
Libros Libros
" When a man in the dark presses either corner of his eye with his finger, and turns his eye away from his finger, he will see a circle of colours, like those in the feather of a peacock's tail. If the eye and the finger remain quiet, these colours vanish... "
Gentleman's Magazine and Historical Review - Página 1096
1786
Vista completa - Acerca de este libro

Opticks:: Or, A Treatise of the Reflections, Refractions, Inflections and ...

Isaac Newton - 1730 - 432 páginas
...of the Chameleon,) do not meet, if I am rightly informed. £>u. 1 6. When a Man in the dark prefles either corner of his Eye with his Finger, and turns his Eye away from his Finger, he will ftc a Circle of Colours like thofe in the Feather of a Peacock's Tail. If the Eye and the Finger remain...
Vista completa - Acerca de este libro

The Philosophical Works of the Honourable Robert Boyle Esq ..., Volumen 2

Robert Boyle - 1725 - 768 páginas
...To this purpofe Sir Ifaac Newton fpeaks thus : " When a man in the dark, " fays he, greffes cither corner of his eye " with his finger, and turns his eye away 41 from his finger, he wiJl fee я circle of " colours like thofe in the feather of a '* peacock's...
Vista completa - Acerca de este libro

Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and ...

Isaac Newton - 1730 - 403 páginas
...and of the Chameleon,) do not meet, if I am rightly inform'd. ^u. 1 6. When a Man in the dark prefies either corner of his Eye with his Finger, and turns...from his Finger, he will fee a Circle of Colours like thofe in the Feather of a Peacock's Tail. If the Eye and the Finger remain quiet thefe Colours variifh...
Vista completa - Acerca de este libro

Philosophical Conversations: Or, A New System of Physics, by Way ..., Volumen 2

Regnault (Père, Noël) - 1731 - 492 páginas
...obferve a Sort of Stars in the Dark, The * Mem. de 1'Acad. 1700. p. 289. f When a Man in the dark prefles either Corner of his Eye with his Finger, and turns...from his Finger, he will fee a Circle of Colours like thofe in the Feather of a Peacock's Tail. If the Eye and the Finger remain quiet, thefe Colours vanifh...
Vista completa - Acerca de este libro

Zoonomia; Or, The Laws of Organic Life, Volumen 1

Erasmus Darwin - 1800 - 676 páginas
...are at the fame time perpetually changing as long as they exiit, 3. When any one in the dark preffes either corner of his eye with, his finger, and turns...from his finger, he will fee a circle of colours like thofe in a peacock's tail : aud a fucUien Haiti of light is excited in the eye by a ftroke on it. (Newton's...
Vista completa - Acerca de este libro

Observations on Man, His Frame, His Duty, and His Expectations, Volumen 1

David Hartley - 1801 - 544 páginas
...the appearance mentioned by Sir Ifaac Newton, Opt. §>u. 16. viz. " When ." a man in the dark prefles either corner of his " eye with his finger, and turns..." his finger, he will fee a circle of colours like thofe " in the feather of a peacock's tail. And this " appearance continues about a fecond of time,...
Vista completa - Acerca de este libro

Zoonomia; Or, The Laws of Organic Life ...

Erasmus Darwin - 1801 - 602 páginas
...are at the fame time perpetually changing as long as they exift. 3. When any one in the dark prefles either corner of his eye with his finger, and turns...from his finger, he will fee a circle of colours like thofe in a peacock's tail : and a fudden flam of light is excited in the eye by a ftroke on it. (Newton's...
Vista completa - Acerca de este libro

Zoonomia, Or, The Laws of Organic Life: In Three Parts, Volumen 1

Erasmus Darwin - 1803 - 622 páginas
...the fame time perpetually changing as long as they exift. 3. When any one in the dark prefles cither corner of his eye with his finger, and turns his eye...his finger, he will fee. a circle of colours like thofe in a peacock's tail : and a fudden SEcT. XL. i.4- OCULAR SPECTRA. 445 fudden. flafh of light...
Vista completa - Acerca de este libro

Zoonomia, Volumen 1

Erasmus Darwin - 1818 - 616 páginas
...perpetually changing as long as they exist. 3. When any one in the dark presses either corner of biseye with his finger, and turns his eye away from his finger, he will see a circle of colours like those in a peacock's tail: and a sudden flash of light is excited in the...
Vista completa - Acerca de este libro

An Elementary Treatise on Optics

Henry Coddington - 1825 - 254 páginas
...the nerves into the brain, cause the sense of seeing." And again, " When a man in the dark presses either corner of his eye with his finger, and turns his eye away from his finger, he will see a circle of colours like those in a peacock's tail. Do not these colours arise from such motions...
Vista completa - Acerca de este libro




  1. Mi biblioteca
  2. Ayuda
  3. Búsqueda avanzada de libros
  4. Descargar ePub
  5. Descargar PDF