Category:Valdemar Poulsen
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Danish engineer (1869-1942)  | |||||
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| Date of birth | 23 November 1869 Copenhagen | ||||
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| Date of death | 23 July 1942 Gentofte | ||||
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Subcategories
This category has the following 4 subcategories, out of 4 total.
P
- Poulsen arc transmitters (1 P, 41 F)
T
- Telegraphon (18 F)
Media in category "Valdemar Poulsen"
The following 10 files are in this category, out of 10 total.
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Franz Josef I of Austria - voice recording (1900).ogg 8.5 s; 139 KB
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Poulsen-Lichtbogen-Sender.jpg 2,670 × 2,735; 683 KB
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Poulsen-Valdemar-capt1898.jpg 407 × 550; 25 KB
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Telegrafon 8154 cropped.jpg 1,170 × 877; 531 KB
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Telegrafon 8154-2.jpg 1,295 × 1,054; 1.06 MB
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Telegrafon 8154.jpg 1,600 × 1,200; 470 KB
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Telegraphon.jpg 420 × 286; 7 KB
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US Patent 661,619 - Magnetic recorder.jpg 1,641 × 2,648; 1.27 MB
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Valdemar Poulsen and P.O. Pedersen by Knud Larsen.png 1,142 × 859; 1.35 MB
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Valdemar Poulsen.jpg 436 × 471; 30 KB
Categories:
- Poulsen (surname)
- Valdemar (given name)
- 1869 births
- 1942 deaths
- National Inventors Hall of Fame inductees
- Commanders of the Order of the Dannebrog
- Commanders First Class of the Order of the Dannebrog
- Honorary doctors of the Technical University of Denmark
- Inventors from Denmark
- Telegraph pioneers
- Births in Copenhagen
- Deaths in Copenhagen