National Museum of American History
P.O. Box 37012
Constitution Ave., between 12th and 14th Sts., N.W.
Washington, D.C. 20013-7012
2 cu. ft. : 2 boxes.
Early radio inventor, who built the first crystal radio receiver, ca. 1900. In 1906 he patented a silicon crystal detector. Includes fifteen notebooks covering Pickard's experiments.