The various formations of magnetic material are strikingly shown and the different properties of magnetic forces are demonstrated in startling examples. The wonderful lifting power of the di... Read allThe various formations of magnetic material are strikingly shown and the different properties of magnetic forces are demonstrated in startling examples. The wonderful lifting power of the different kinds and sizes of magnetized bars furnish opportunity for much discussion and som... Read allThe various formations of magnetic material are strikingly shown and the different properties of magnetic forces are demonstrated in startling examples. The wonderful lifting power of the different kinds and sizes of magnetized bars furnish opportunity for much discussion and some of the feats done with the magnets will astonish and mystify your audience. It is a subj... Read all
