Linked from

The 6 pages that link to Oil-drop experiment, each with the reason it gives.

• Elementary chargeBroader topic: Its measurements revealed charge values clustered around a common smallest magnitude.

• Stokes' lawBroader topic: Stokes' law helped infer droplet sizes and viscous drag.

• Robert MillikanBroader topic: Millikan used suspended droplets to determine the electron’s charge.