Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
142 (1938), S. 1062-1065
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] INTRODUCTORY IT has been known for many years that cathode rays can be deflected by electric and magnetic fields, but in 1926 Busch showed that axially symmetrical fields would have the power of focusing such rays, much as light is focused by a lens. Any axially symmetrical lens system will ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1421062a0
|
Location |
Call Number |
Expected |
Availability |