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…

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…

A: Bulb containing mercury attached to a glass tube of narrow diameter. Thermometer has Celsius scale with 0-100 degree range.

B: Protective cardboard tube for the thermometer (not digitized).

Partial immersion…

Collection of 13 Aramith Bakelite billiard balls. Some billiard numbers are missing or duplicated.

Green cardboard box with removable top; interior of box bottom has a white plastic insert with round indentations for…