58 



CENTRIFUGAL APPARATUS. 



[BOOK i. 



B 



FIG. 11. PLAN AND SECTION OP THE CENTRIFUGAL MACHINE IN THE PHYSIOLOGICAL 

 LABORATORY or OWENS COLLEGE. 



A. An iron socket secured to top of table B. 



C. A steel spindle carrying the turn-table D, and turning freely in A. 



E. A flange round turn-table D. 



F. F. Shallow grooves on face of D, in which the test-tubes are fixed by clamps 



G. G. 



H. A pulley fixed to end of spindle C and turned by the cord K. 

 1. 1. Are two guide pulleys for cord K. 



