Transparent plastic container with five interior compartments for multicolored plastic pieces. Instruction manual included.

Models kits, such as this one, are often found in laboratories and classrooms and are used to…

Promotional video for the non-profit organization, Delaware Valley Science Fairs, which hosts a regional science fair for students from Southeastern Pennsylvania, Delaware, and Southern New Jersey.

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The video of the 1987…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1986 demonstrations focus on…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The video of the 1985 lecture…

Periodic table designed in the style of a pyramid by Charles E. Gragg. This table was published by Instruments for Research and Industry and includes instructions for assembly into a 3-D model.

The Science Screen Report is a series of educational films for science students in grades 8-12 in the United States school system. This film covers the basic history of photography and how photography was used in the…

Green plastic case with snap lid on front; kit comes with five different types of plastic pieces: 12 multi-colored balls, eight gray "double bonds" pieces, one gray "triple-bonded carbon pairs" rod, and dozens of…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1980 lecture focuses more on…

Periodic table designed in the style of a cube by J. Francis Young, Professor of Civil and Ceramic Engineering, University of Illinois. This table was published by Instruments for Research and Industry and includes…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1982 lecture includes…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1980 lecture begins with an…

Small, multicolored plastic connectors and straws in small plastic bag.

Models kits, such as this one, are often found in laboratories and classrooms and are used to visualize the structure of chemical substances.

Talk given by R.B. Woodward at an alumni event for the Harvard University Department of Chemistry shortly before his death in 1979. This informal talk begins with the ringing of a gong and Woodward being carried on…

Mexican postage stamp issued to commemorate the 40th anniversary of the founding of the Instituto Politécnico Nacional de México (the National Polytechnic Institute of Mexico) on January 1, 1936. Established during the…

Concerning possibility of publishing an early Pauling manuscript in a high school textbook or in an issue of "Chemistry."

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1975 lecture opens with an…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1974 lecture includes…

One of many in a series of annual Christmas lectures given by Bassam Z. Shakhashiri, a Lebanese chemistry educator who spent most of his career at the University of Wisconsin-Madison. The 1973 lecture was the first…

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…

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…

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…

White metal case with color graphic of two young boys using the Gilbert microscope set. Case opens on a hinge. Inside, a blue styrofoam tray holds a plastic microscope, an electric plug-in light, an objective lens, a…

White cardboard box with blue writing; contains black, blue, yellow, red, and green spheres as well as wooden and metal connectors.

Models kits, such as this one, are often found in laboratories and classrooms and are…