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| 9,000+ Commercial & CV types - many with links to our exhibits |
| 2,563 valves (tubes) listed alphabetically |
| 73 historical and technical articles with illustrations |
| 82 valve adverts |
Films | Films on valve making. 97:22 Minutes in total |
| Valves classified by 136 makers names |
| Valves for Audio, Radio, RF Power etc |
| A classification into 7 age bands |
| All pictures on the data DVD click to enlarge |
| Arranged into Triodes, Pentodes, Magic Eyes etc |
| Acorn, Catkin, Nuvistor, Balloon and many others |
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| A timeline of valve developments |
| Details of the Collections Displayed |
