Elementary Treatise on the Wave-theory of Light

analyzing plate angle of incidence aperture Arago axes beam bodies bright bands centre circularly polarized coincides colours common light corresponding Crown 8vo crystalline denote diameter difference of phase diffraction direction distance diverging double refraction edge effects elasticity elliptically polarized emergent equal ether experiment Fresnel fringes glass Iceland spar incident ray inclined intensity interference interval of retardation John Herschel length light reflected luminous origin medium molecules Newton observed opposite optic axis parallel particles perpendicular plane phenomena plane of incidence plane of polarization plane of reflexion plane-polarized plate of air polarized light polarized ray polarizing angle portions position Post 8vo principal section prism produced propagated ratio reflected light reflected pencil refracted rays refractive index refrangibility result rhombohedron right angles rings second surface shadow sines spectrum substance theory thickness thin plates tint tion transmitted transparent traversed undulation vary velocity vibrations vols wave-theory Woodcuts