INTRODUCTORY REMARKS. 



201 



5. Two flasks of 100 to 150 cc. capacity. (Fig. 13, B.) 



6. Wash-bottle of about 400 cc. capacity. (Fig. 14, A.) 



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

 (Fig. 14, B.) 



FIG. 14. 



8. A few pieces of glass tubing about ten inches long, and some India-rubber 

 tubing to fit. 



9. Three glass rods. 



10. Three small porcalain evaporating-dishes, about two inches in diameter. 

 (Fig. 15, A.) 



11. Blowpipe. (Fig. 15, B.) 



12. Crucible tongs. (Fig. 15, C.) 



FIG. 15. 



13. Round and triangular file. 



14. Wire gauze, about six inches square, or sand-tray. 



15. One square inch of platinum foil (not too light), and six inches of platinum 

 wire. 



16. Filter-paper. 



17. Pair of scissors. 



18. One to two dozen assorted corks. 



19. Sponge and towel. 



20. Two watch-glasses. 



