Have you ever seen a drop of pond water under a compound microscope?
This is the compound microscope, the invention of which soon followed the telescope.
Practise well with the pocket-lens before you meddle with the compound microscope.
The annexed figure shows the course of the rays through a compound microscope of two lenses.
The kind of compound microscope to be purchased will depend upon the nature of the work of the investigator.
For the study of the lower plants, as well as the histology of the higher ones, a compound microscope is indispensable.
Some neurones in the human body, although visible only under the compound microscope, give rise to axons several feet in length.
Now, a compound microscope is practically a telescope with the object at the long focus, very close to a short-focus lens.
The use of the compound microscope has much increased since his youth, and this at the expense of the simple one.
To do thorough and satisfactory work in physiology in our higher schools a compound microscope is almost indispensable.
compound microscope n.
A microscope consisting of an objective and an eyepiece at opposite ends of an adjustable tube.