What did Millikan's experimental apparatus look like?

1 Answer
May 1, 2014

Here is a photo of Millikan's laboratory setup.

upload.wikimedia.orgupload.wikimedia.org

And here's a photo of the apparatus itself.

upload.wikimedia.orgupload.wikimedia.org

Here's a diagram of his apparatus, taken from one of his papers, with some modern annotations.

hep.physics.indiana.eduhep.physics.indiana.edu

Compare this with modern teaching diagrams such as the one below.

images.tutorvista.comimages.tutorvista.com