Declinometer, engraving published in De Magnete by William Gilbert, printed in London in 1600. A declinometer is an instrument for measuring magnetic declination, the angle between the Earth's magnetic field and the horizon. This image has been colour-enhanced. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 3715 px × 5134 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |