[ 2 44 ] 
Fig. 2. 
B off P 
Fig. 2, Let the circle nE, arC reprefent the fun's 
difkj in which let EC be a portion of the ecliptic, 
liar its axis, A£Q_a parallel to the equator, P p its 
axis, TVi; the vifible path of Venus on the fun, 
and AB the perpendicular to that path. The angle 
QSC = PSn =r the inclination of the axis of the 
equator to the axis of the ecliptic, is given by cal- 
culation; 
