GLASSWARE. 529 



100 grammes of agar-agar in substance. 



200 grammes of sodium chloride (ordinary table salt). 



500 grammes of pure glycerin. 



50 grammes of pure glucose. 



20 grammes of pure lactose. 



100 grammes of caustic potash. 



200 c.c. of litmus tincture. 



10 grammes of rosolic acid (coral lin). 



Blue and red litmus paper; curcuma paper. 



5 grammes of phenolphtalein in substance. 



Filter paper, the quality ordinarily used by druggists. 



100 grammes of pyrogallic acid. 



1 kilogramme C. P. granulated zinc. 



GLASSWAEE. 



200 best quality test-tubes, slightly heavier than those 

 sold for chemical work, about 12 to 13 cm. long and 

 12 to 14 mm. inside diameter. 



15 Petri double dishes about 8 or 9 cm. in diameter 

 and from 1 to 1.5 cm. deep. 



6 Florence flasks, Bohemian glass, 1000 c.c. capacity. 



6 Florence flasks, Bohemian glass, 500 c.c. capacity. 



12 Erlenmeyer flasks, Bohemian glass, 100 c.c. 

 capacity. 



1 graduated measuring cylinder, 1000 c.c. capacity. 



1 graduated measuring cylinder, 100 c.c. capacity. 



25 bottles, 125 c.c. capacity, narrow necks with 

 ground glass stoppers. 



25 bottles, 125 c.c. capacity, wide mouths, with 

 ground glass stoppers. 



1 anatomical or preserving jar, with tightly fitting 



