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Gr 9 Up—Welch and Lamphier end the first volume of this encyclopedia of the United States' history of science and technology in 1865, the second after World War II, and the last in 2017. Each volume has three chronological sections; entries are arranged alphabetically by inventor or invention—some minor (clothespins), some major (vaccines). Abundant text boxes excerpt relevant primary documents, such as Thomas Jefferson's letter to surveyor Benjamin Banneker. Numerous women are featured, including Henrietta Lacks, Rachel Carson, and Grace Hopper. One entry recognizes Native American...Log In or Sign Up to Read More