Figure 15. Thomson's apparatus for demonstrating that cathode rays
are deflected by an electric field. It was also used to measure
m/e. From Thomson (1897).
Copyright © 2012 by
View this site from another server:
The Stanford Encyclopedia of Philosophy is copyright © 2014 by The Metaphysics Research Lab, Center for the Study of Language and Information (CSLI), Stanford University
Library of Congress Catalog Data: ISSN 1095-5054