&2 



MEASUREMENT OF AN ARC 



si 





of 

 s and 

 ons. 



ons 

 ach 

 nuse. 



Perpendicular. 



Commencement 

 from the last. 



d 

 3 



. 



w 83 



Lta o 



JS fa 



igles 

 ition 

 ressi 













REMARKS. 











S p" 



Ml C 



d ' 



< $ Q 



^ 2 g- 



Ascents. 



Descents. 



Above. 



Below. 



a 











FKET. 



FEET. 



FEET. 



INCHES. 



INCHES. 







9? 



100 



1 6 35 



.01876 





1.9369 





34.3 



93.2 



■ 



98 



100 



Level 













95.2 





99 



300 



54 5$ 



.03828 



4.7927 





- 





77.8 



i 



100 



200 



5 40 .00028 





0.3287 





! 



1 79.4 





101 



I 300 



23 5 



.00678 





2.0143 





8.4 



88.7 



1 



102 



; 300 



32 50 



.01368 



2.8655 





10.6 





98.8 



• 



103 



[ 300 



1 44 10 



.13773 



9.0895 









104.8 





104 



700 



1 7 5 



.13328 



13.6599 









79.1 





j 105 



700 



110 



.11018 



12.4180 









89.5 





J 106 



500 



1 17 50 



.12815 



i 11.3208 



- 



7.8 





9-8.2 



Completed on the 



1 107 



200 



5 30 



.02158 



| 2.9370 







j 31.6 



109.2 



19th Aprii, 1806. 



II 



[323001 [4.8577S 



[307.4020 (178.7862 J382.85 



J3H.2 



1 S4.03 



1 



N. W. eael, above the S. W« end. of &q Base 134.8 Feet in perpendicular height. 



