LABORATORY SUPPLIES AND CHEMICALS 



97 



2275g CENTRIFUGE, Electric. 



This Centrifuge has been constructed for a medium size laboratory and can be 

 depended upon for continuous service. 



It is furnished with a balance wheel to insure stability and has a rheostat for 

 gradually leading up to the maximum speed of 1800 revolutions per minute under load 

 with two 15 c. c. tubes. 



Height, 9^". Rotating diameter, 11^". 



The under side of the balance wheel is provided with four fan blades which create 

 a steady air current passing through the windings of the motor, thus preventing over- 

 heating. 



Weight, packed for shipment, 16 Ibs. 

 Price, complete with cord and plug $32.50 



2275H CENTRIFUGE, Electric- 

 Many laboratories require a Centrifuge having four tubes and we have therefore 

 provided our No. 19 Centrifuge with a special head for carrying four 15 c. c. tubes. 

 Owing to the construction of the motor the additional tubes do not interfere with 

 the speed to any marked extent. Weight, packed for shipment, 17 pounds. 

 Price, complete with cord and plug $35.00 



When ordering, please specify current on which the centrifuge is to be used. 



,?35j\ 



2275J 



2275J CENTRIFUGE, Water Motor- 

 Aluminum shields, four feet pressure tubing and patent hose connection included 

 with each apparatus. 



CENTRIFUGE, Single arm, one each plain and graduated 15 c.c. glass tubes. . . .$12.50 

 CENTRIFUGE, double arm, two plain and two graduated 15 c.c. glass tubes. . .. 15.00 

 CENTRIFUGE, single arm, one each plain and graduated 50 c.c. glass tubes.... 15.00 

 CENTRIFUGE, double arm, two plain and two graduated 50 c.c. glass tubes. . . . 20.00 



