550 O B S E R V A T I O 



Fiat nunc 



OQ^: MO-l-M(^=MO-MQ: ON-NQ^ 



vt ON-NQ_ innotefcit. Si enim i (ON-NQ_) 

 addatur ad i OQ fiue ', (ON •+• NQ) inuenietur ON 

 et tandem M N 1=1 V 310"~0N\ 



Excmplum illuftrationem fuppeditabit. Iti ob- 

 fcruationibus , i(J, 21, 29, refpondent 



Tab.XVII. locis lunae tempora EF ideoque CL 



^'S'i-2- in o II*. i^. 3'^ 151 138,5 



P II. 17. o 97 84,5 



Q_ II. 58. 18 110 97,5 



fiquidem C L=r FL-4-EF-EC , et FL=:i70, 

 ECzz 182, 5 femidiametri nempe lunae et Solis. 



Tempus motus per OP= 15^57^'' r:: 957'"' 



,.,__- OQ— 57. 15 =^3435 



OP :OQ^=957 - 34-35—«:«» 



itaque fw— 3435 

 «— 957 



»«—«—24-78 

 MO(CL)zrfl=i38, 5 

 MP ^b= 84,5 



MQ. :^i'z=. 91>S 



log. 



