94 



On the Trigonometrical Survey 



Extract from Field Book of S-incli Theodolite, as adopted 

 by Mr. Sprent at the Secondary Stations. 



aORDON'S SUGAR LOAF. 



Name of Station 

 observed to. 



Zero Point. 



Reading of 

 Arc, Three 

 Verniers. 



Mean of 

 Reading. 



Mean Angle. 





/ w 



o / / 



/ V 



o r 1, 



Rumney's Hill ... 



359 58 50 









Brown Mountain... 





67 59 

 58 30 

 60 



67 59 10 



68 20 







6 Repe- 

 titions. 

 48 30 



47 59 



48 30 



48 



68 11 



Eumney's Hill 



359 58 50 









Grass Tree Hill ... 





21 5 30 



3 



4 



21 4 10 



21 5 20 







9 Repe- 

 titions. 

 189 46 30 

 49 

 46 30 



189 47 20 



21 5 23 



'Note. — At many of the Secondary Stations a connection 

 hy traverse survey with some natural feature or other per- 

 manent object in the neighbourhood is also recorded. 



