81 



Example I. 



Sun's alt. 19° 4"> observed distance lOS* 29' 27", 

 Moon's alt. 41 6 5 horizontal parallax 58 35 



DifF. ob. alt. 22 2 



Prop. Log. 58 35 

 41* 6' AC cos 



4875 4875 



1229 sin 1822 

 6104 6697 38'30"arg.tab.l. 



parallax in alt. 44' 



Moon's ref. 1^ 



Corr. alt. 



9" 

 5 



4 



43 

 41 6 

 Sun's refrac. 2 44 



41 51 48 

 Sun's alt+ par. 19 4 8 

 difF. true alt. 22 47 40 



Tab. I 

 Tab. 2 

 Tab. 4 

 Tab. 5 



V. sin 103° 29' 1233162 

 V. sin 22 2 73034 



1160128 

 12460 



Log. 10739 

 Log. 1160100 



Log. 12460 



145 



10497 



78 



19 

 



10739 



8.03100 

 6.06446 

 4.09546 



1147668 



V. sin 22° 47' " 78024 



40 74 



J 225766 



V. sin 103 2 52 



27 



103 3 19 true dist. 



Without Logarithms. 



11601 



93701 



11601 



812 



35 



10 



12458 



Example 



