Columbia subject headings:
Basso, Giuseppe, 1842-1895.
Chiò, Felice, 1813-1871.
Electricity.
Geometrical optics.
Harvard subject headings:
Mathematics
Princeton subject headings:
Basso, Giuseppe, 1842-1895.
Chiò, Felice, 1813-1871.
Electricity--Collected works.
Geometrical optics.