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].