Several collections chart the evolution of the periodic table in the one hundred years following Dmitrii Mendeleev’s initial 1869 design. The image archives has a significant collection of lantern slides and transparencies depicting alternative layouts for the table, including circular, cylindrical, pyramidial, spiral, and triangular forms ranging in date from the 1860s to the 1950s.
The Image archives has a rich collection of periodic table of all shapes, sizes and colors.
