The single microscope (fig. 4.), consists simply of a convex lens, commonly called a magnifying glass; in the focus of which the object is placed, and through which it is viewed : by this means, you are enabled to... The elements of physiography - Page 169by John J. Prince - 1885Full view - About this book
| Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 350 pages
...retina ? J!fr$. B. The microscope is constructed for this purpose. The single microscope (fig. 5.) consists simply of a convex lens, commonly called...the object is placed, and through which it is viewed : by this means, you are enabled to approach your eye very near the object, for the lens A B, by diminishing... | |
| Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 366 pages
...B. The microscope is constructed for this purpose. The sing4e microscope (fig. 5.) consists ğimply of a convex lens, commonly called a magnifying glass;...the object is placed, and through which it is viewed : hy this means, you are enabled to approach ynui eve very near the object, for the lens AB, by diminishing... | |
| Mrs. Marcet (Jane Haldimand), Thomas P. Jones - Physics - 1826 - 286 pages
...the retina? Mrs. B. The microscope is constructed for this purpose. The single microscope (fig. 5.) consists simply of a convex lens, commonly called...object is placed, and through which it is viewed: by this means, you are enabled to place your eye very near to the object, for the lens AB, by diminishing... | |
| Mrs. Marcet (Jane Haldimand), John Lauris Blake - Astronomy - 1826 - 308 pages
...The single microscope (fig. 5.) consists simply of a convex lens, commonly called a magnifying-glass; in the focus of which the object is placed, and through which it is viewed : by this means you are enabled to approach your eye very near the object, for the lens, AB, by diminishing... | |
| Physics - 1832 - 640 pages
...is constructed on this principle. The single microscope (fiç. 39) consists simply of a convex lens, in the focus of which the object is placed, and through which it is viewed. By this means, you are enabled to bring your eye very near the object, for the lens AB, by diminishing... | |
| Richard Green Parker - Physics - 1838 - 266 pages
...by •which they are made to converge on the retina, where they form the inverted* image, f e. 644. A single microscope consists simply of a convex lens,...object is placed, and through which it is viewed. 645. By means of a microscope the rays of light from an object are caused to diverge less; so that... | |
| Light - Astronomy - 1838 - 298 pages
...prepares the wood, and compounds the varnish." The microscope is also a very remarkable instrument. The single microscope consists simply of a convex lens,...the object is placed, and through which it is viewed : by this means we are able to bring the eye very near the object, and thus the latter is magnified... | |
| Jane Marcet - 1839 - 544 pages
...the retina? MRS. B. The microscope is constructed for this purpose. The single microscope (fig. 4.), consists simply of a convex lens, commonly called...the object is placed, and through which it is viewed : by this means, you are enabled to approach your eye very near the object; for the lens AB, by diminishing... | |
| Religious Tract Society (Great Britain) - Astronomy - 1840 - 444 pages
...prepares the wood, compounds the varnish." The microscope is also a very remarkable instrument. The single microscope consists simply of a convex lens,...the object is placed, and through which it is viewed : by this means we are able to bring the eye very near the object, and thus the latter is magnified... | |
| Richard Green Parker - 1844 - 276 pages
...objects and those which are near. 644. A single microscope consists simply of a convex lens, commouly called a magnifying glass ; in the focus of which...object is placed, and through which it is viewed. G45. By means of a microscope the rays of light from an object are caused to diverge less; so that... | |
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