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Jamestown - Mandible Detail 1


Martin Luther King, Jr. - "I Have a Dream" Speech


Martin Luther King, Jr. - Hands Crossed


Martin Luther King, Jr. - With Family


Space Day - Children


Mars Science Laboratory Entry, Descent, and Landing Team


Joseph Sutter


Dr. Adam Steltzner


Alexander Graham Bell - Transcript of Voice Recording


Alexander Graham Bell


Dr. Carl Haber


Bell Phonorecord - Inscription Detail


Volta Laboratory Disc Recording - Top View


Volta Laboratory Disc Recording - Surface Detail


Christmas Holiday Commemorative Stamp


Florida Statehood Commemorative Stamp


Humphrey Bogart Commemorative Stamp


Wong Kim Ark


Grand Procession: Dolls from the Charles and Valerie Diker Collection


Time and Navigation - Bond Chronometer


Time and Navigation - Bygrave Position-Line Slide Rule


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