ain will come on it, otherwise thecover is liable to be broken. When a cover is dry hold it up and look through it toward some darkobject. The cover will be seen partly by transmitted and partly by reflectedlight, and any cloudiness will be easily detected. If the cover does not lookclear, breathe… … en. IX] SLIDES AND O //-. R <■/.. tSSES 249 Handle them always by their edges, or use fine forceps. 1 >,, not put theon the faces of the covers, for that will surely cloud them. \ 335. Cleaning Cover-Glasses for Special Uses. As with slides, (■..intended for films or other purposes where the…
Microscopy
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