on cause of magnetick direction, [5], [64], [153].
on a fall of meteorick iron, [26].
on preservation of loadstones, [37].
on amber, [47].
on magnetick attraction, [70].
admits the loadstone to have a soul, [68].
on diamond attracting iron, [112].
scoria or slag of iron, [34], [35].
sealing wax is electrical, [48], [53].
Sebastian Cabot. See Cabot.