Portrait of Sir Robert Alexander Watson-Watt
Numéro d’image : 11831472
| The British physicist Sir Robert Alexander Watson- Watt,1892-1973. Watson-Watt worked at the Meteorological Office and later became head of the National Physical Laboratory at Teddington. During World War I he worked on radio location of thunder-storms. In 1935 he proposed the development of radio detection and ranging (RADAR) system for aircraft location. Bursts of radiowaves transmitted from the radio station were reflected by aircraft giving the distance and position displayed on an oscilloscope. The system was important in the defence of Britain in World War II. Today radar is used in navigation,air traffic & shipping,rainfall detection & many other fields | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library |
| Taille de l’image : | 3679 px × 4929 px |
| Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
| Property Release : | Non requis |
| Restrictions : | - |
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