Philosophiæ Naturalis Principia Mathematica Authors: |
Newton I. Philosophiæ Naturalis Principia Mathematica (in Russian) |
О магните, магнитных телах и о большом магните – Земле Authors: |
Gilbert W. (1600) Tractatus, sive physiologia nova de magnete, magneticisque corporibus et de magno magnete tellure 1956 (in Russian) |
palaeo.spb.ru (8.1 MB)