History of Science Museum: Collection Database Search

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1. Balloon Envelope Radio Valve, 20th Century

2. Brimar Radio Valve Type 6V6GT, by Brimar, English, 1940s

3. Marconi Radio Valve Type V24, by Marconi Company, English,...

4. Marconi-Type Radio Valve, by Marconi Company, English, 1920s/1930s

5. Marconi Radio Valve Type V24, by Marconi Company, English,...

6. Marconi Radio Valve Type V24, by Marconi Company, English,...

7. Marconi Radio Valve Type V24, by Marconi Company, English,...

8. Mullard Radio Valve Type PY33, by Mullard, Britain, 1960s

9. Marconi Radio Valve Type DEQ, by Marconi Company, English,...

10. Marconi Radio Valve Type S625, by Marconi Company, English,...

11. Dario Radio Valve Micro Special, by Dario, French, Mid 20th...

12. Tungsram Radio Valve Type RV200/600, by Tungsram, English,...

13. Radio Valve Type ARTP2 with carton, English, Mid 20th Century

14. Mullard Radio Valve Type EF37A with carton, by Mullard, English,...

15. Early Coherer, c. 1899

16. Early Coherer, c. 1902

17. Early Coherer, c. 1902

18. Early Experimental Coherer, c. 1902

19. Bone Coherer Support Rod, c. 1902

20. Brass-Tipped Bone Stylus, c. 1902

21. Pillbox With Spare Coherer Parts, c.1902

22. Cluster Of Six Small Glass Tubes, c. 1902

23. Early Small Coherer, by Guglielmo Marconi, Italy, c. 1895

24. Glass Phial Containing Heavy Water, by The Norwegian Hydro-Electric...

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25. Achromatic Telescope, by Dollond, London, 1774

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