Magic, Pretended Miracles, and Remarkable Natural Phenomena
CHAPTER VIII.
The magic swan--Properties of the magnet--The mariners’ compass--Process of magnetizing--The dip of the needle--Magnetic properties in various substances 124
Magic, Pretended Miracles, and Remarkable Natural Phenomena
The magic swan--Properties of the magnet--The mariners’ compass--Process of magnetizing--The dip of the needle--Magnetic properties in various substances 124