Lagos, Rodriguez de, [177].
Langius, Joannes, [3].
lapis magnetis, [8].
lapis specularis, muscovy stone, or mica, [11], [48], [52].
latitude in relation to dip, [196], [200].
Leonardus (or Leonhardus), Camillus, [3].
Levinus Lemnius, [3].
lifting power of loadstones, [86], [89], [97].
lily of the compass, [117], [152], [165], [177].
liquids, electrical attraction of, [55].