Chapter 8. General Biology Equipment
Light Source for a Microscope
Purpose: In order to view objects satisfactorily under a microscope, a light source is needed which is neither too bright nor too weak. The light is usually reflected off a mirror at the base of the microscope and up through the lenses.1
Materials: Six-foot extension cord, light base ($1-3 porcelain fixture from the hardware store), and a small 15- or 25-watt blue bulb.
What to Do: Cut off the socket end of the extension cord. Divide the cord into two wires. Strip the end of the wire so that about ¾ of an inch is exposed on each wire. Connect wires to a screw on the bottom ...
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