131 



SECTION 4, KINEMATICS, STATICS, AND 

 DYNAMICS. 



WEST GALLEKY, GROUND FLOOR, ROOM K. 



I. SPECIAL COLLECTIONS. 



COLLECTION OF APPARATUS USED BY 'SGRAVESANDE TO ILLUS- 

 TRATE HIS PHYSICAL RESEARCHES. 



524. 'sGravesande's Apparatus to demonstrate the 

 Laws of Centrifugal Force. 



Professor Dr. P. L. Rijke, Ley den. 



(See 'sGravesande's "Physices Elementa Mathematica," 3rd edition, Vol. 

 I., p. 153.) 



525. 'sGravesande's Apparatus to demonstrate the 

 Theory of the Wedge. 



Professor Dr. P. L. Rijke, Ley den. 



526. 'sGravesande's Apparatus, to show, by means of a 

 pendulum furnished with weights and springs, that the same 

 quantity of Mechanical Work produces the same quantity of 

 Vis Viva. 



Professor Dr. P. L. Rijke, Ley den. 



527. 'sGravesande's Apparatus to demonstrate the Laws 

 of Falling Bodies. 



Professor Dr. P. L. Rijke, Ley den. 



528. 'sGravesande's Apparatus for Parabolic Motion. 



Professor Dr. P. L. Rijke, Leyden. 



I 2 



