اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Book digitized by Google from the library of University of California and uploaded to the Internet Archive by user tpb.
Pt. I. Ponderable bodies -- pt. II. Imponderable bodies. I. Light, heat, and magnetism -- pt. III. Imponderable bodies. II. Electricity, electro-magnetism, and magneto-electricity
Includes index