CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



245 



No. 5554. 



No. 5558. 



No. 5570. 



No. 5576. 



No. 5584. 



5554. FLASKS, Bound Bottom, Balloon Form, Resistance Grade, with heavy vial mouth. 



*Boxing charged at manufacturer's cost. 



5573. FLASKS, Erlenmeyer, Pyrex Glass, with extra wide mouth. 



Capacity, cc 250 500 750 



To take rubber stopper, No 7 10 10 



Number in original case 132 60 48 



Each 20 .27 .33 



Per dozen in original case 2.16 2.92 3.56 



5584. FLASKS, Erlenmeyer, with Ground Glass Stopper, Resistance Grade. 



Capacity, cc 60 125 250 500 1000 



Each . .45 .50 .60 .65 .90 



