A Treatise on Electricity and Magnetism Volume 1 380.jpg
en
A Treatise on Electricity and Magnetism Volume 1 380, A Treatise on Electricity and Magnetism Volume I
commons
ja
電気・磁気論上巻1・380、電気・磁気論上巻1
commons_translated
nonmagnetic magnetism magnetically treatise tract tractive