EARLIEST MEASURES OF THE EARTH 81 



space, was not here to halt. The geometrical constructions of 

 Pythagoras and Democritus, which in the hands of Bion and 

 the Alexandrian had found so fruitful an application, were 

 destined to yet wider conquests. If triangulation of the stars 

 might thus disclose the size and figure of the earth, might it 

 not reach out and span the moon as well the moon and a yea, 

 the sun ! 

 But how ? 



