51 Mifcellanea Curio fd* 



2: That if through the Pole of any fmall 

 Circle, Lines be drawn to the Extremities of 

 any Segment or Portion thereof, (and con- 

 tinued if need be) they will cut off an Arch 

 equivalent to it in that fmall Circle, which is 

 parallel to the Periphery of the Plain of Pro* 

 je&ion, and as far diftant from the under Pole/ 

 as the given Circle is diftant from its upper 

 Pole. 



F I N I $ 



