3WP
The DuMont 3WP series of flat-faced 3" mono-accelerator CRTs introduced in 1952. They were among the most widely used CRTs of the 1950s.
3WP1 had P1 phosphor, 3WP2 used P2, and 3WP11 had P11.
They are used in the Tektronix 315, 310, and 360 oscilloscopes.
Links
- 3WP Series CRT Datasheet (PDF)
- Peter Keller, The Cathode-Ray Tube: Technology, History, and Applications. Palisades Press, 1991. ISBN 0963155903, 9780963155900 p.103
- 3WP1 / 3WP2 @ radiomuseum.org
Pictures
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3WP series p.1
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3WP series p.2
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