may be required,and that having the condenser serves also to illu-minate opaque objects with a strong light. 172 MICROSCOPIC OBJECTS. It may be remarked that the various kinds of composi-tion candles which consume their own snuff are very badfor microscopic purposes except the bats-wing kind. Inthe…
Microscopy
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.