Lectures on Polarized Light: Delivered Before the Pharmaceutical Society of Great Britain, and in the Medical School of the London Hospital |
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Página 67
1. Hemioctohedron or Tetrahedron- 2. Hemi-dioctohedron. Four forms of the
Square Prismatic System ; viz., Two Square Pi isms in different positions, and
Two Oclohedra with square bases. a a. Principal axis. bb.ee. Secondary axes.
Crystals.
1. Hemioctohedron or Tetrahedron- 2. Hemi-dioctohedron. Four forms of the
Square Prismatic System ; viz., Two Square Pi isms in different positions, and
Two Oclohedra with square bases. a a. Principal axis. bb.ee. Secondary axes.
Crystals.
Página 70
Properties. — The forms of this system possess four axesf; viz., three equal ones,
called the secondary axes, placed in one plane, and crossing in the centre at an
angle of 60°; and a fourth, termed the principal axis, or the axis of symmetry, ...
Properties. — The forms of this system possess four axesf; viz., three equal ones,
called the secondary axes, placed in one plane, and crossing in the centre at an
angle of 60°; and a fourth, termed the principal axis, or the axis of symmetry, ...
Página 78
On the ellipsoidal hypothesis, their atoms are ellipsoids, with three unequal axes.
They present no crystallographieal character by which the principal axis can be
distinguished from the others called secondary axes ; so that in a geometrical ...
On the ellipsoidal hypothesis, their atoms are ellipsoids, with three unequal axes.
They present no crystallographieal character by which the principal axis can be
distinguished from the others called secondary axes ; so that in a geometrical ...
Página 85
The Principal Axis, bb, cc. The Secondary axes. Crystals — The most important
substances, whose crystalline forms are referable to this system, are boracic acid,
sulphate of copper*, nitrate of bismuth, sulphate of cinchonia, quadroxalate of ...
The Principal Axis, bb, cc. The Secondary axes. Crystals — The most important
substances, whose crystalline forms are referable to this system, are boracic acid,
sulphate of copper*, nitrate of bismuth, sulphate of cinchonia, quadroxalate of ...
Página 95
The above explanation is applicable only when the direction of the rays coincides
with the principal axis of the crystal. When it is inclined to this axis, Mr. Airy has
shown that the two resulting rays are elliptically polarized, the elliptical vibrations
...
The above explanation is applicable only when the direction of the rays coincides
with the principal axis of the crystal. When it is inclined to this axis, Mr. Airy has
shown that the two resulting rays are elliptically polarized, the elliptical vibrations
...
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Lectures on Polarized Light: Delivered Before the Pharmaceutical Society of ... Jonathan Pereira Visualização integral - 1843 |
Lectures on Polarized Light: Delivered Before the Pharmaceutical Society of ... Jonathan Pereira Pré-visualização indisponível - 2018 |
Palavras e frases frequentes
Analcime analyzing plate annealed glass apophyllite atoms attractive Author black cross blue bodies Brewster called circular circularly polarized light cloth colours compression crystalline Dictionary direction double doubly oblique doubly refracting doubly refracting crystal Edition elasticity elliptical equal ethereal molecules extraordinary rays force Fresnel's rhomb heat History hypothesis Iceland spar Illustrations incident ray inclined Lectures left-handed luminiferous ether mica morocco nitre observe optic axes ordinary ray parallel particles perpendicular phenomena plane of polarization plane polarized plate of tourmaline polariscope polarized rays position Post 8vo potash present principal axis prism prismatic axis prismatic system produced quartz rectangular refractors repulsive rhombic rhombohedric right angles right-handed ROBERT SOUTHEY rotation selenite Sir John Herschel spectrum sugar supposed system of rings systems of waves thickness Thomas Babington Macaulay tints tion tourmaline transmitted undulation unequal unpolarized vibrations violet vols white light Wood Engravings Woodcuts yellow
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