Medical microscopy : a guide to the use of the microscope in medical practice (1898)
Wethered, Frank Joesph, 1860-1928 · Philadelphia : Blakiston · leaf 39
gh it in such adirection that their convergence forms a cone of light as 24 MEDICAL MICROSCOPY. highly concentrated as possible. Under these circumstancesthe outlines of unstained preparations appear blurred,and this illumination is consequently unsuited for freshspecimens. Also, with stained… … Abbe Chromatic Condenser. view. It is for this reason that the condenser is so valuablein searching for micro-organisms; after the use of suitablestains the small rods and micrococci stand prominently outfrom the indistinctly defined back-ground and thus canreadily be seen and recognized. If…
Microscopy · Laboratory Techniques and Procedures · Medical microscopy
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