. The microscope : an introduction to microscopic methods and to histology. Microscopes. CH. II'] LIGHTING AND FOCUSING Si diaphragm (Fig. 36D) so that it will project about half way across the opening. If one uses this ocular, the pointer will appear in the field and one can place the specimen so that the pointer indicates it exactly, as in using a pointer on a diagram or on the black-board. It is not known to the author who devised this method. It is certainly of the greatest advantage in demonstrating objects like aruoebas or white blood corpuscles to persons not familiar with them, as the
. The microscope : an introduction to microscopic methods and to histology. Microscopes. CH. II'] LIGHTING AND FOCUSING Si diaphragm (Fig. 36D) so that it will project about half way across the opening. If one uses this ocular, the pointer will appear in the field and one can place the specimen so that the pointer indicates it exactly, as in using a pointer on a diagram or on the black-board. It is not known to the author who devised this method. It is certainly of the greatest advantage in demonstrating objects like aruoebas or white blood corpuscles to persons not familiar with them, as the field is liable to have in it many other objects which are more easily seen. SS. 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 Gage, Simon Henry, 1851-1944. Ithaca, N. Y. : Comstock Publishing Company
Size: 1535px × 1628px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicroscopes, bookyear
