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From ancient times, mathematicians have been intrigued by polyhedra, closed surfaces with polygons as sides. They have been especially interested in those in which the polygons are regular – the sides have the same length and the angles are equal. This is a collection of geometric models from the collection of Mathematics in the Division of Medicine and Science.

The roughly 100,000 objects in this collection reach beyond the possessions of statesmen to touch the broader political life of the nation—in election campaigns, the women's suffrage movement, labor activity, civil rights, and many other areas.

These examples of original pen and ink comic art drawings were prepared for publication in newspapers across the country. The drawings date mostly from the 1940s, 1950s, and the 1960s. They help us look at American history through the reflective lens of the comic art medium. Their storylines and characters portray evil, ruthless, immoral, and corrupt individuals as well as their counterparts who assist a maintenance of American morals and a popular way of life.

This is a collection of reliefs made by A. Jullien to illustrate his textbook, Cours élémentaire de géométrie descriptive, a Basic Course in Descriptive Geometry.

A coverlet is defined as a decorative, woven bedcovering. Sometimes called coverlids or kivers, these bedcoverings have been present in American homes from Colonial times through the Colonial Revival.

Sectors are mathematical calculating instruments chiefly used by Europeans - including in North America —from the 16th to 19th centuries. This collection of 23 objects illustrates the three main forms of sectors. They are made from brass, ivory, and wood, and they range in length from 3" to 13" when folded.

During World War I, the British blockade of German ports prevented American manufacturers from importing dyes for textiles, paper, and leather. See how one American silk company made a virtue of necessity by starting a fashion for dressing in black and white.

The expansion of American business, science, and technology in the years following World War II created a demand for powerful computing machines at a relatively moderate price. The development of compact electronic components—first sturdy vacuum tubes, and then transistors, made this a physical possibility; and led to the introduction of the desktop electronic calculator in the early 1960s.

A group of objects related to the sinking of the Titanic, including the stories of the Carpathia rescue ship, Bernice Palmer, and Harry Cheetham.

The Museum's collections document centuries of remarkable changes in products, manufacturing processes, and the role of industry in American life.

The millions of photographs in the Museum's collections compose a vast mosaic of the nation's history.

The Museum's collections on energy and power illuminate the role of fire, steam, wind, water, electricity, and the atom in the nation's history.

The abacus is a computing device on which arithmetic calculations are performed by sliding counters (beads, pebbles, or flat discs) along rods, wires or lines.

Furniture, cooking wares, clothing, works of art, and many other kinds of artifacts are part of what knit people into communities and cultures.

The Art of Frank Gasparro consists of 115 drawings, plaster models, photographs, newspaper clippings and ephemera collected by, and related to, Frank Gasparro, the 10th United States Chief Engraver. Christina Hansen, Gasparro's daughter, donated the collection in 2009 to the National Numismatic Collection (NNC).

Historic objects relating to the management of diabetes