History Explorer Results (4)
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The National Cash Register Company produced this Model 421 cash register around 1914. The register was used in a Marshall Field & Company department store. The register has three columns of keys for entering numbers, and a fourth column of function keys. The operating crank is on the right si
Lessons & Activities
This lesson plan, developed in support of the exhibition Paper Engineering: Fold, Pull, Pop, and Turn, introduces students to the variety of mechanisms included in movable books and encourages them to build their own pop-up in support of a social studies lesson. Making pop-ups subtly rei
Paper Engineering: Fold, Pull, Pop & Turn, an exhibition developed by the Smithsonian Libraries, presents more than 50 examples of action-packed constructions and inspired works of art spanning 500 years. The related Web site includes a blog, exhibition brochure, and video
Make your own American eagle pop-up and review symbols with students using this resource, developed by the Smithsonian Institution Libraries for the exhibition Paper Engineering: Fold, Pull, Pop, and Turn.