USE OF THE MICROSCOPE 



(Materials: cotton, wool, water) 



I. INSTRUCTIONS TO BE FOLLOWED IN USING THE MICROSCOPE. 



i. Each student is responsible for the condition of the mi- 

 croscope with his desk number. If the microscope does not work 

 properly at any time the fact should be reported to the instructor 



OCULAR 



Figure 15. A Compound Microscope. From S. H. Gage, The Micro- 

 scope. 1917. Comstock Publishing Co. 



in charge of the laboratory section at once. The microscope is a 

 delicate instrument and must not be handled roughly. All parts 

 should work easily. Do not force parts at any time. 



2. Before attempting to use the microscope become familiar 

 with the names and uses of the parts. Study figure 15 carefully. 



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