Chemistry sets reached their heyday in the 1950s, but production of them began in the United States during World War I. Playing with a toy chemistry set inspired many a boy to become a chemist, and not until the late…

Manual containing instructions for ten experiments to determine pollution levels of the air and water. The front cover depicts a boy examining a petri dish with a small magnifying glass. Manual corresponds to the Johnny…

Cardboard box with color printing on lid, showing young men and women engaged in chemical testing of environmental factors (air, water). Inside is a blue plastic tray with wells for test equipment, including a…

Gray plastic (Rubbermaid) container; two panels open to the right and left and snap into place with small protrusions on the raised base platform; platform also has two support sticks that can be rotated outward so…

An instruction manual written to accompany the Smithsonian MicroChemistry XM 5000 chemistry set. Intended for use by children ages 10 and older, the manual describes how to use the set's tools, then outlines a series of…

Chemistry sets reached their heyday in the 1950s, but production of them began in the United States during World War I. Playing with a toy chemistry set inspired many a boy to become a chemist, and not until the late…