Underwood & Underwood Stereoscope Sets circa or dated 1900: Japan, Italy and Keystone Box with more Italy, and India each with numerous stereoscopes; together with two descriptive books, "Italy through the Stereoscope" with maps and "India through the Stereoscope" with maps as well as an Underwood & Underwood adjustable viewer patented 1901. Cards in good condiion, some wear to boxes shaped like double books.