Two attractive antique chromo-lithographs. One is depicting 17 kinds of electric dis-charges, the other one 12 ways of chromatic polarization.
Size each: 6 ½ x 9 ½ inches (15,5 x 24,5 cm), good condition.
Printed in Germany in 1898.
They look great when matted and framed and make unique gifts.
Old Chromolithograph Electric Discharges and Chromatic Polarization 1898