simple microscope

In front of the window, she placed a table for opening eggs and a simple microscope for operating on the embryos.

This is the principle of the magnifying glass used by watch-makers and of the simple microscope.

Explain why a simple microscope assists in looking at the parts of a flower or insect.

For most purposes, common plano-convex or doubly convex lenses are sufficient to form the object-glasses of a simple microscope.

He could dissect well under the simple microscope, but I think it was by dint of his great patience and carefulness.

In the first half of the seventeenth century the simple microscope came into use.