![GILBERT, William (1544-1603). De magnete, magneticisque corporibus, et de magno magnete tellure; Physiologia nova, plurimis & argumentis, & experimentis demonstrata. London: Peter Short, 1600. GILBERT, William (1544-1603). De magnete, magneticisque corporibus, et de magno magnete tellure; Physiologia nova, plurimis & argumentis, & experimentis demonstrata. London: Peter Short, 1600.](https://www.christies.com/img/LotImages/2015/CKS/2015_CKS_12114_0233_001(gilbert_william_de_magnete_magneticisque_corporibus_et_de_magno_magnet111348).jpg?mode=max)
GILBERT, William (1544-1603). De magnete, magneticisque corporibus, et de magno magnete tellure; Physiologia nova, plurimis & argumentis, & experimentis demonstrata. London: Peter Short, 1600.
![William Gilbert, De magnete (London: Peter Short, 1600). | St John's College, University of Cambridge William Gilbert, De magnete (London: Peter Short, 1600). | St John's College, University of Cambridge](https://www.joh.cam.ac.uk/sites/default/files/images/library/special_collections/magnet1.jpg)
William Gilbert, De magnete (London: Peter Short, 1600). | St John's College, University of Cambridge
![Illustration of a declinometer from De Magnete by William Gilbert, published in 1600. Magnetic declination is the horizontal angle between the true geographic North Pole and the magnetic north pole, as figured Illustration of a declinometer from De Magnete by William Gilbert, published in 1600. Magnetic declination is the horizontal angle between the true geographic North Pole and the magnetic north pole, as figured](https://c8.alamy.com/comp/G169DY/illustration-of-a-declinometer-from-de-magnete-by-william-gilbert-G169DY.jpg)
Illustration of a declinometer from De Magnete by William Gilbert, published in 1600. Magnetic declination is the horizontal angle between the true geographic North Pole and the magnetic north pole, as figured
![GILBERT, William (1544-1603). De magnete, magneticisque corporibus, et de magno magnete tellure; Physiologia nova, plurimis & argumentis, & experimentis demonstrata. London: Peter Short, 1600. GILBERT, William (1544-1603). De magnete, magneticisque corporibus, et de magno magnete tellure; Physiologia nova, plurimis & argumentis, & experimentis demonstrata. London: Peter Short, 1600.](https://www.christies.com/img/LotImages/2015/CKS/2015_CKS_12114_0233_000(gilbert_william_de_magnete_magneticisque_corporibus_et_de_magno_magnet061915).jpg?mode=max)
GILBERT, William (1544-1603). De magnete, magneticisque corporibus, et de magno magnete tellure; Physiologia nova, plurimis & argumentis, & experimentis demonstrata. London: Peter Short, 1600.
![William Gilbert, De magnete (London: Peter Short, 1600). | St John's College, University of Cambridge William Gilbert, De magnete (London: Peter Short, 1600). | St John's College, University of Cambridge](https://www.joh.cam.ac.uk/sites/default/files/images/library/special_collections/magnet2.jpg)
William Gilbert, De magnete (London: Peter Short, 1600). | St John's College, University of Cambridge
![DE MAGNETE, MAGNETICISQUE CORPORIBUS, ET DE MANGO MAGNETE TELLURE; PHYSIOLOGIA NOVA, PLURIMUS & AEGUMENTIS, & EXPERIMENTIS DEMONSTRATA by Gilbert, William: (1600) | Oak Knoll Books, ABAA, ILAB DE MAGNETE, MAGNETICISQUE CORPORIBUS, ET DE MANGO MAGNETE TELLURE; PHYSIOLOGIA NOVA, PLURIMUS & AEGUMENTIS, & EXPERIMENTIS DEMONSTRATA by Gilbert, William: (1600) | Oak Knoll Books, ABAA, ILAB](https://pictures.abebooks.com/inventory/30019014608_2.jpg)