174 MEASUREMENT OF AN ARC ON THE 



Permacoil hill from Cootium hill 45\S0,5. 



No. 



25. 



Stations. 



Permacoil hill, 

 Coonum hill, 

 1st Flag on red 

 hill. 



Observed 



Angles. 



53 13 11,8 

 87 51 51,8 







Diff. 



— ,2 

 -3 





,6 



Error. 



Angles for 

 calculation. 



53 13 11,5 

 87 51 51,5 



38 54 57 



180 00 00 



_,.,„, 1 . Ml f S Permacoil hill, 



First Flag on red hill from | f.^^^^^ ^j,,^ . 



Distances 

 in feet. 



71825,3 

 57567,7 



Permacoil hill from "VVooritty hill 68041,5. 



26. 



Permacoil hill, 

 Wooritty hill 

 Mylum station, 



102 06 30,9 







46 21 11,4 



—,50 

 —,13 



.77 



102 06 30,9 

 31 32 18,3 

 46 21 11,3 



,, , , ,. , ( Perwrncoi/ hill, 

 Mylum station from | jyoSritty hiU, 



49184,8 

 91939,0 



Permacoil hill from Mylum station 49184,8. 



