 | Jonathan Pereira - Microscopes - 1843 - 158 pages
...rectilinearly polarized light, but agrees with unpolarized light. 2. A ray of circularly polarized light is capable of transmission through a plate of...tourmaline, the other is suppressed. In this property also circularly polarized light agrees with common or unpolarized light, but differs from rectilinearly... | |
 | Jonathan Pereira - Light - 1843 - 200 pages
...the Tourmaline. The last mode of polarizing; light to which I shall have occasion to allude, is by transmission through a plate of tourmaline, cut parallel to the axis of the crystal. a. Brazilian tourmaline. By cooling, the upper end becomes positively (-(-), the lower negatively (—)... | |
 | Pharmacy - 1843 - 812 pages
...Tourmaline. The last mode of polarizing light to which I shall have occasion to allude, is bv transmitting it through a plate of tourmaline, cut parallel to the axis of the crystal. The substance called tourmaline, and to which I have already referred, is a precious stone, which is... | |
 | Jonathan Pereira - Light - 1854 - 384 pages
...capable of reflection, at oblique angles of incidence, in every position of the reflector. 2. Penetrates a plate of tourmaline (cut parallel to the axis of the crystal) in every position of the plate. 3. Penetrates a bundle of parallel glass plates, in every position of the bundle.... | |
 | Jonathan Pereira - Light - 1854 - 354 pages
...reflection, at oblique angles of incidence, in certain positions only of the reflector. :. Penetrates a plate of tourmaline (cut parallel to the axis of the crystal) in certain positions of the plate, but in others is wholly intercepted. i. Penetrates a bundle of parallel... | |
 | John King - Microscope and microscopy - 1859 - 344 pages
...reflection at oblique angles of incidence in certain positions only of the reflector. 2. Penetrates a plate of tourmaline (cut parallel to the axis of the crystal) in certain positions of the plate, but in others is wholly intercepted. 3. Penetrates a bundle of parTHE... | |
 | Home tutor - 1862 - 532 pages
...reflection at oblique angles of incidence in certain positions only of the reflector. 2. Penetrates a plate of tourmaline (cut parallel to the axis of the crystal) in certain positions of the plate, but in others is wholly intercepted. 3. Penetrates a bundle of parallel... | |
 | Albert Taylor Bledsoe, Sophia M'Ilvaine Bledsoe Herrick - Periodicals - 1869 - 530 pages
...in every position of the reflector, like common light, but in certain positions only; it penetrates a plate of tourmaline, cut parallel to the axis of the crystal, in some positions, but in others, unlike common light, is intercepted ; and in certain positions, it does... | |
 | John Henry Pepper - Chemistry - 1869 - 722 pages
...through a bundle of plates of glass only when they are placed in certain positions. 3. Does not pass through a plate of tourmaline cut parallel to the axis of the crystal, except in certain positions; in others, the tourmaline, though quite transparent, stops the whole of... | |
 | Adolphe Ganot, William Guy Peck - Physics - 1871 - 510 pages
...plane, called the plane of poluriwtion, Light is best studied by allowing it to fall perpendicularly on a plate of tourmaline, cut parallel to the axis of the crystal. Such a plate allows no vibrations to pass except they be parallel to the axis. Hence the emergent beam... | |
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Now, in the case of a plate of tourmaline cut parallel to the axis of the crystal... 
