XI. TIME. 



XLMEASUREMENT OF TIME. 



Copy of the Drawing representing the first idea of the 

 Application of the Pendulum to the Clock ; dictated by 

 Galileo, then blind, to his son Vincenzo and his disciple Viviani. 

 Elucidated on the original of the Galilean manuscripts in the 

 Biblioteca Palatina. 



The Royal Institute of ^ -Studii Super iori," Florence. 



40075. 



