The Cathode Ray Tube site
History and Physics Instruments
Last update 23-3-2013
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Didactic Cathode Ray Tubes
Welcome to this website of old electronic glassware and Physics Instruments On these 36 pages you will find my historic tube collection and a lot of background information.
Enjoy a trip through time when most of our modern electronic techniques were invented.
This website shows you the complete Cathode Ray Tube evolution of the past 150 years starting with the
Geissler tube with all it's spin-off's until the last produced modern CRT of this time.
The last additions or changes are;
On the second Geissler page two new tubes added.
X-Ray second page a huge Müller X-ray tube added.