Maxwell, James Clerk, 1831-1879 / 2008-08-01 00:00:00
EBOOK, FIVE OF MAXWELL'S PAPERS ***
This eBook was produced by Gordon Keener.
This eBook includes 5 papers or speeches by James Clerk Maxwell.
Each is separated by three asterisks ('***').
The contents are:
Foramen Centrale
Theory of Compound Colours
Poinsot's Theory
Address to the Mathematical
Introductory Lecture
***
On the Unequal Sensibility of the Foramen Centrale to Light of
different Colours.
James Clerk Maxwell
[From the _Report of the British Association_, 1856.]
When observing the spectrum formed by looking at a long vertical slit
through a simple prism, I noticed an elongated dark spot running up
and down in the blue, and following the motion of the eye as it moved
_up and down_ the spectrum, but refusing to pass out of the blue into
the other colours. It was plain that the spot belonged both to the
eye and to the blue part of the spectrum. The result to which I have
come is, that the appearance is due to the yellow spot on the retina,
commonly called the _Foramen Centrale_ of Soemmering.
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Parts:
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5