Two stadia hairs
Three stadia hairs
Four stadia hairs
Five stadia hairs
Tacheometry
Dumpy level
Wye level
Modern level
0.1m
0.01m
0.001m
0.0001m
1m
2m
3m
4m
Property of right angle
Property of scalene triangle
Property of isosceles triangle
Property of equilateral triangle