Magnetic compass. Stroboscopic image of a compass on a map. The magnetised needle of the compass is seen in several locations due to the multiple flashes of the strobe. The needle is able to swing freely,indicating the direction of magnetic north on the graduated dial by aligning with local lines of magnetic force | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gustoimages |
Taille de l’image : | 3624 px × 5352 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |