. The microscope; an introduction to microscopic methods and to histology. Microscopes. i68 DRAWING WITH A CAMERA LUCIDA [Ch. VI 100 "' U,e mia«»ope. The ™i™. must hav. i^ edg« in planea paraUel with tte edges of the drawing board also (Sg- »* 5„». Drawing ^^^M^TZl^^Jl^^-^ r.;: JS»X,To -Hhetag. Jth. drawing penc. ca„. Fig. 102. Beknhard's Drawing Board mr the Abbe Camera LucmA. (From the Catalogue of Zeiss). This drawing board can be elevated and tipped it can also be inclined, carrying the microscope with it. be seen with about equal distinctness. This may be accomplished with very low p
. The microscope; an introduction to microscopic methods and to histology. Microscopes. i68 DRAWING WITH A CAMERA LUCIDA [Ch. VI 100 "' U,e mia«»ope. The ™i™. must hav. i^ edg« in planea paraUel with tte edges of the drawing board also (Sg- »* 5„». Drawing ^^^M^TZl^^Jl^^-^ r.;: JS»X,To -Hhetag. Jth. drawing penc. ca„. Fig. 102. Beknhard's Drawing Board mr the Abbe Camera LucmA. (From the Catalogue of Zeiss). This drawing board can be elevated and tipped it can also be inclined, carrying the microscope with it. be seen with about equal distinctness. This may be accomplished with very low powers (i6 mm. and lower objectives) by covering the mirror of the microscope with white paper when transparent objects are to be drawn. For high powers it is best to use a substage con- denser Often the light may be balanced by using a larger or smaller opening in the diaphragm. One can tell which field is excessively illuminated, for it is the one in which objects are most distinctly 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. The Comstock publishing company
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