 The greater the dip of these laminae, the closer will their edges be ; whilst the less the angle which they make with the surface, the wider will be the interval between the lines. When the section passes for any distance in the plane of a lamina, no...  The Microscope and Its Revelations - Стр. 600авторы: William Benjamin Carpenter - 1868 - Страниц: 794Полный просмотр - Подробнее о книге
 | British Association for the Advancement of Science - 1845 - Страниц: 718
...widely from each other (fig. !?)• Sir J. Herschel has not unaptly compared this appearance to that of the surface of a smoothed deal board, in which the...in one part, and nearly in their plane in another. These lines are seen on the natural interior surface of the nacre, and no polishing obliterates them.... | |
 | Philip Henry Gosse - 1859 - Страниц: 536
...section passes for any distance in the plane of a lamina, no lines will present themselves on that space. And thus the appearance of a section of nacre is such,...nearly in their plane in another. Sir D. Brewster appears to suppose that nacre consists of a multitude of layers of carbonate of lime, alternating with... | |
 | Philip Henry Gosse - 1868 - Страниц: 506
...for any distance in the plane of a lamina, no lines will present themselves on that space. And thift the appearance of a section of nacre is such as to...nearly in their plane in another. Sir D. Brewster appears to suppose that nacre consists of a multitude of layers of carbonate of lime, alternating with... | |
 | Philip Henry Gosse - 1872 - Страниц: 496
...passes for any distance" in the plane of a lamina, no lines will present themselves . on that space. And thus the appearance of a section of nacre is such...one part, and nearly in their plane in another. Sir P. Brewster appears to suppose that 11 acre consists of a multitude of layers of carbonate of lime,... | |
 | Philip Henry Gosse - 1896 - Страниц: 504
...section passes for any distance in the plane of a lamina, no lines will present themselves on that space. And thus the appearance of a section of nacre is such as to have been aptly compared by Sir J. Ilerschel to the surface of a smoothed deal board, in. which the woody layers are cut perpendicularly... | |
 | British Association for the Advancement of Science. Meeting - 1845 - Страниц: 712
...unaptly compared this appearance to that of the surface of a smoothed deal board, in which the wood)' layers are cut perpendicularly to their surface in one part, and nearly in their plane in another. These lines are seen on the natural interior surface of the nacre, and no polishing obliterates them.... | |
| |
