LABORATORY SUPPLIES AND CHEMICALS 



117 



2430-2448 



2440 



2442 



2444 



2430 CRUCIBLES, Copper, with covers. 



Capacity, cc ....... ............ 30 50 100 200 500 



Diameter, inches .............. lH *M % 3 A 3 4 



Height, inches . .' .............. ' 1& 2 2^ 3^$ 3f 



Each .......................... $0.60 .70 .90 1.20 2.00 



2440 CRUCIBLES, Gooch Form, glazed throughout except outside bottom surface. 

 Perforations about y z mm. in diameter, without covers. 



No ............................... , ..... 2 2a 3 4 



Capacity, cc ............................ 10 20 25 35 



Diameter at top, mm . .................. 27 33 35 40 



Diameter at bottom, mm ............... 18 20 22 25 



Height, mm ............................ 30 33 40 43 



Each ................................... $0.30 .35 .40 .45 



CRUCIBLES, Cast iron, with covers. 

 Capacity, pints 

 Each 



2444 



CRUCIBLES, Light Sheet Iron, with covers. 

 Capacity, cc 

 Diameter, inches . . 

 Height, inches 

 Each 



2448 CRUCIBLES, Nickel, with covers. 



Diameter, mm .............. 35 



Height, mm ................ 32 



Capacity, cc ................ 20 



Each ....................... $0.60 



2448a CRUCIBLES, As above, without covers. 



Each ..... , ................. $0.40 



l / 2 1 2 4 8 



$2.00 2.25 2.50 3.00 4.50 



20 30 50 100 200 400 



V/ 2 lY 4 2 2^ 3J4 3# 



1# 1& l^g 22^ 3 



$0.20 .25 .30 .35 .40 .70 



40 45 50 60 80 100 



35 40 45 55 70 85 



30 50 75 100 250 500 



.70 .8$ 1.00 1.20 2.00 3.00 



.45 .50 .65 .80 1.60 2,50 



2449 



2451 



2451a 



2449 CRUCIBLES, Nickel, Kawin's, made of heavy pure nickel, and used in a 

 muffle for burning off filter paper in silicon determinations 



in iron, 28 mm. diameter by 15 mm. high. Per dozen $3.00 



Each 30 



2451 CRUCIBLES, Gooch, \vith two holes for suspending in Extraction Appa- 

 ratus. Size number 3; diameter rim 35 mm.; capacity 25 cc. 

 Each * 50 



2451a CRUCIBLES, Caldwell's Form, Coors Porcelain, with removable perforated 

 plate to fit m bottom. Size No. 4; capacity 25cc. Without 

 cover 60 



2451b COVER only for No. 2451a >10 



2451C PERFORATED DISC only for No. 2451a .25 



CRUCIBLES, Platinum. See under Platinum. 



