Cast-iron toys are essentially American. Small foundries and factories were mass-producing them towards the close of the 19th century. These toys were sold in novelty stores, department stores, or mail order catalogs. One can follow along with shifts in technology by recognizing the changes in th

Through brief biographies of the composers, primary source documents, and media clips, students will learn about the collaboration of these two great jazz composers and the process involved in writing and recording two of the most celebrated jazz pieces. This website examines two jazz standa

During the 1880s, the engineer Herman Hollerith devised a set of machines for compiling data from the United States Census. Hollerith's tabulating system included a punch for entering data about each person onto a blank card, a tabulator for reading the cards and summing up information, and a sor

This manual, included in the online exhibition Invention at Play, from the Lemelson Center, will provide an array of activities, resources, and approaches that will underscore the role of play in the inventive spirit in all of us. Through play we develop certain "habits of

This booklet, connected to the Invention at Play online exhibition from the Lemelson Center, highlights inventors who started out as great players and who recall a strong link between their play and inventing. It encourages adults to create an enriching play/inventing environme

This online exhibition highlights artifacts from the Smithsonian's sports collection, and will introduce students to the pioneering men and women who dominated their sports; championed their country, race, or sex; and helped others to achieve. Both on and off the playing field, these undaunted in