The Bedford Level experiments conducted in 19th century England along a canal that ran in an uninterrupted straight line were carried out to determine what?
Earth's shape Earth model Curvature of the earth Form of the Earth Figure of the Earth Shape of the Earth (disambiguation) Curvature of the Earth Bending of the earth Figure of the earth Figure of earth Volume Of Earth Volume of the Earth Earth curvature Earth's bending Shape of the Earth Figure of Earth Shape of the earth Earth's curvature Form of Earth Shape of the planet Earth Ground curves