carbuncle, electrick properties of, [48], [111].
Cardan, Hieronymo, [2].
De Proportionibus:
on iron and earth, [43], [62], [67].
on distance of centre of cosmos, [169].
De Rerum Varietate:
on fall of meteorick iron, [26].
on attraction of amber, [49].
on a perpetual motion engine, [107].
De Subtilitate: