However, he made more accurate measurements by rolling balls down an inclined plane and also by comparing the periods of pendulums with bobs of different material.
(he; made; more accurate measurements) Context(he made,List([9, 16))):(he; made more accurate measurements by rolling; balls; down an inclined plane)
he made,List([9, 16))
he he
made made more accurate measurements by rolling
more accurate measurements
balls down an inclined plane