( I. ) 



Archimedei\ er, Lib. i 



{ II. ) 



Cap. 13. Mechanical Motions, 



fccnds near to the load (lone, may be 

 com rivtd to fall down through fome 

 hole in the plane, and lb to' rcrurn 

 unto the place froii u;i "cc at fi.(t 

 k began ton;. , ff^.r^^ 



the loadftoi r ,^ 



upwards, I: 

 will fall (low 

 tion Ihall b 

 more eaillv' 



25^1 



158 



D<cdalHt;tr,, Uh.ti aW 



Dadaliu; tr. Lib. a. 



"^i^^^^fs^A^^^^A 



( III ( IV. ) 



NOS. 5413-18 {page 275). specimen' illustrations, II. and IV. representing 



examples of a perpeiuum mobile, and III. a 'sailing chariot'. 



