Pages with the most categories

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1. A Century of Electricals ‎(35 categories)
2. Sportvision ‎(20 categories)
3. Lawrence Hafstad ‎(15 categories)
4. Magnetic Tape ‎(15 categories)
5. Russell Ohl ‎(14 categories)
6. Thomas Alva Edison ‎(14 categories)
7. Vladimir Zworykin ‎(13 categories)
8. The Technology of Movies ‎(13 categories)
9. Lloyd V. Berkner ‎(13 categories)
10. Henri Busignies ‎(13 categories)
11. Peter Glaser ‎(13 categories)
12. Hertha Ayrton ‎(13 categories)
13. Resistance to Useful Inventions ‎(13 categories)
14. James Lansing ‎(12 categories)
15. Women of Westinghouse ‎(12 categories)
16. Aleksandr Popov ‎(12 categories)
17. Karl Braun ‎(12 categories)
18. Technological Innovations and the Summer Olympic Games ‎(12 categories)
19. Edward Bernds ‎(12 categories)
20. Alan Dower Blumlein ‎(12 categories)
21. Thomas Edison at Menlo Park ‎(12 categories)
22. Peter Goldmark ‎(12 categories)
23. John G. Brainerd ‎(12 categories)
24. Michael Faraday ‎(12 categories)
25. Oliver Lodge ‎(12 categories)
26. William Keister ‎(12 categories)
27. Victor Talking Machine Company ‎(12 categories)
28. Albert W. Hull ‎(11 categories)
29. Andrew G.L. McNaughton ‎(11 categories)
30. Elihu Thomson ‎(11 categories)
31. Harvey Fletcher ‎(11 categories)
32. Edison Effect ‎(11 categories)
33. Women and Electrical and Electronics Manufacturing ‎(11 categories)
34. Sumio Iijima ‎(11 categories)
35. DATAR - First Digital Computer/Communications System for Anti-Submarine Warfare ‎(11 categories)
36. Granville T. Woods: Improving Railway Communications ‎(11 categories)
37. E. Finley Carter ‎(11 categories)
38. Quantum Dots ‎(11 categories)
39. Gerd Binnig ‎(11 categories)
40. John Hammond ‎(11 categories)
41. Edison and Ore Refining ‎(11 categories)
42. John Whitehead ‎(11 categories)
43. Guglielmo Marconi ‎(11 categories)
44. Lawrence A. Hyland ‎(11 categories)
45. Magnetic-Core Memory ‎(11 categories)
46. Technology in the James Bond Universe ‎(11 categories)
47. Dennis Gabor ‎(11 categories)
48. James Hillier ‎(11 categories)
49. Albert G. Lee ‎(11 categories)
50. Usability ‎(11 categories)

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