INTRODUCTORY REMARKS. 



223 



3. Test-tube stand and one dozen assorted test-tubes. (Fig. 18.) 



4. Three small beakers from 100 to 150 c.c. capacity. (Fig. 19, A.) 



5. Two flasks of 100 to 150 c.c. capacity. (Fig. 19, B.) 



FIG. 17. 





FIG. 18. 



FIG. 19. 



6. Wash-bottle of about 400 c.c. capacity. (Fig. 20, A. ) 



7. Three small glass funnels, about one and a half to two inches in diameter. 



(Fig. 20, B.) 



