ases a careful exami-nation of the entire surface is necessary for a correct knowledge ofthe lesion or lesions for one may not be limited to one lesion atthe same time. For this purpose a good double convex lens of low powermay be quite sufficient, but in case a higher power is required Ihave had… … & Co., publishers of Dr. Piffards admirablework, ** Diseases of the Skin. By this ad-justment the patient can be examined in anyposture, standing, rechning, or sitting, withmuch accuracy and ease. By these low pow-ers cases of alopecia can be well studied. Incertain stages of either eczema or…
Microscopy
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