Note 4 — Chapter III · LIFE AS THE DIRECTOR OF LABORATORY WORK IN THE SCHOOL OF PHYSICS AND CHEMISTRY. GENERALIZATION OF THE PRINCIPLE OF SYMMETRY. INVESTIGATIONS OF MAGNETISM
Charlotte Kellogg translation
Paramagnetic bodies are those which are magnetized in the same manner as iron, either strongly (ferro-magnetic) or feebly. Diamagnetic bodies are those whose very feeble magnetization is opposed to that which iron takes in the same magnetic field.