. Animal micrology; practical exercises in microscopical methods. Microscopy -- Technique; Microscopes -- Technique. Appendix A: Tlic Microscope and Its Optical Principles 153 correction of aberrations cannot be made, and consequently, a distinct image cannot be obtained. For determination of magnification see micrometer. Mechanical Stage.—A stage attachment (Fig. 68) for the more accurate manipulation of an object or a series of objects which must be moved about under the objective. The best mechanical stages are provided. FIG. 68.—Attachable Mechanical Stage. with scales and verniers so that
. Animal micrology; practical exercises in microscopical methods. Microscopy -- Technique; Microscopes -- Technique. Appendix A: Tlic Microscope and Its Optical Principles 153 correction of aberrations cannot be made, and consequently, a distinct image cannot be obtained. For determination of magnification see micrometer. Mechanical Stage.—A stage attachment (Fig. 68) for the more accurate manipulation of an object or a series of objects which must be moved about under the objective. The best mechanical stages are provided. FIG. 68.—Attachable Mechanical Stage. with scales and verniers so that an object once recorded may be easily found again. They are often very serviceable, especially with high powers. Micrometer.—A scale for measuring objects under the microscope. The stage micrometer consists of a finely divided scale (,V and ik» mm.) ruled on glass or metal. It is commonly mounted on a glass slide of standard size. To determine the actual size of an object with the stage micrometer, it is most convenient to use a camera lucida. The outline of the object to be measured is projected on to a sheet of drawing- paper and marked off. The object is then replaced under the micro- scope by the micrometer and the micrometer scale is projected on to the paper. Knowing the actual distance between the lines on the microm-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Guyer, Michael F. (Michael Frederic), b. 1874. Chicago, The University of Chicago Press
Size: 1628px × 1535px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookpublisherchicagotheuniversityofchicagopress, bookyear1906
