CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



79 



No. 1160. 



No. 1162. 



No. 1170. 



BELL JARS 



All of our bell jars are made of clear glass and are well shaped. All rims are reground in our own 

 factory, thus insuring a good contact with the pump plate, which is not possible with ordinarv grinding. 



1160. BELL JABS, High Straight Form, Knob Top, with reground rim. 



No 



Height, inside, inches... 

 Diameter, inside, inches.. 



Capacity, gallons 



Each . 



A 

 9 



5 



% 

 $1.80 



B 



11 



6 



1 



2.40 



C 

 15 



7 



2 

 3.15 



D 

 15 



8% 

 3 



4.00 



1162. BELL JARS, High Straight Form, Open Top, with reground rim and top ground flat. 



No A B 



Height, inside, inches 9 11 



Diameter, inside, inches 5 6% 



Diameter of opening, inches 1 114 



Capacity, gallons y 2 1 



Each .* 1.80 2.40 



E 

 18 



9 



4 

 5.60 



C 

 15 



7 



1% 

 2 

 3.15 



1164. BELL JAR, High Straight Form, Tubulated Top, to take No. rubber stopper: with re- 

 ground rim. Inside height, It inches; inside diameter, 6'/i inches; capacity, 1 gallon.. $2.40 



1166. BELL JABS, High Straight Form, Tubulated Top, with ground-in glass stopper and reground rim. 



Height, inside, inches.. 

 Diameter, inside, inches. 



Capacity, gallons 



Each . 



1168. BELL JARS, High Swelled Form, Knob Top, with reground rim. 



No 



Height, inside, inches 



Diameter, inside, inches 



Capacity, gallons 



Each . 



A 

 9 

 5 



V 2 

 2.00 



B 

 11 



6 



1 

 2.50 



A 



10 



6 



1 



2.40 



C 

 15 



7 



2 

 3.15 



B 



12 



7 



2 



3.15 



1170. BELL JAR, Extra High Form, with reground rim, for use with a full length barometer tube in 

 studying the effect of reduced pressure on the barometric column 



