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Equivalents Listing
9,000+ Commercial & CV types - many with links to our exhibits
Valves by Type Number
2,563 valves (tubes) listed alphabetically
Articles
73 historical and technical articles with illustrations
Adverts
82 valve adverts
Films
Films on valve making. 97:22 Minutes in total
Valves by Manufacturer
Valves classified by 136 makers names
Valves by Design Purpose
Valves for Audio, Radio, RF Power etc
Valves by Year of Design
A classification into 7 age bands
Big Printable Pictures
All pictures on the data DVD click to enlarge
Valves by Electrode Complement
Arranged into Triodes, Pentodes, Magic Eyes etc
Valves by construction & technology
Acorn, Catkin, Nuvistor, Balloon and many others
Other Classified Indexes
Valves by: Base, Heater Type and Number of Pins
Developmental Milestones
A timeline of valve developments
Collections Featured
Details of the Collections Displayed
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