completely eliminates curvature correction

partially eliminates curvature correction

adds to the curvature correction

has no effect on curvature correction

94.80 m

99.71 m

100.29 m

105.20 m

98.7

100

102.3

103.3

d

1/d

d²

1/d²

radius of level tube

length of level tube

length of bubble of level tube

none of the above