Delwedd:Heinrich Rudolf Hertz.jpg
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Maint y rhagolwg: 518 × 600 picsel. Eglurdebau eraill: 207 × 240 picsel | 558 × 646 picsel.
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Dyddiad / Amser | Bawdlun | Hyd a lled | Defnyddiwr | Sylw | |
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cyfredol | 12:46, 24 Gorffennaf 2011 | 558 × 646 (51 KB) | Materialscientist | less saturated version | |
04:39, 4 Medi 2005 | 463 × 599 (53 KB) | Cirus~commonswiki | This is Heinrich Rudolf Hertz, from Oliver Heaviside: Sage in Solitude (ISBN 0-87942-238-6), p. 111. The image is reprinted courtesy of the Burndy Library (as stated in the credits in the back of the book, p. 318), but its age implies that it's public dom | ||
01:30, 1 Medi 2005 | 250 × 324 (17 KB) | Majtec | This is Heinrich Rudolf Hertz, from ''Oliver Heaviside: Sage in Solitude'' (ISBN 0-87942-238-6), p. 111. The image is reprinted courtesy of the Burndy Library (as stated in the credits in the back of the book, p. 318), but its age implies that it's public |
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- Heinrich Hertz
- History of radio
- 1857
- 1894
- University of Bonn
- User:Grendelkhan/Images
- Invention of radio
- Portal:Germany/Anniversaries/February/February 22
- Portal:Germany/Anniversaries/February
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- History of electromagnetic theory
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- List of German inventions and discoveries
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- 1857 in Germany
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