Example image of eyePlorer eyePlorer map for 'Timeline of United States inventions': Timeline of United States discoveries Joseph Jenckes George Washington Benjamin Franklin Sextant Thomas Godfrey John Hadley Franklin stove Mail order Lightning rod Marianne Davies Jacob Yoder Oliver Evans Diffraction grating David Rittenhouse Gulf Stream Cracker (food) Cotton gin Eli Whitney, Jr. Cryptanalysis Encryption Jefferson disk Thomas Jefferson Benjamin Thompson Rumford fireplace Henry David Thoreau Aaron Burr Theodore Burr Amphibious vehicle Refrigeration Jacob Perkins John Gorrie William C. Durant Coffee pot Circular saw Tabitha Babbitt Dental floss Thomas Blanchard Simeon North Thaddeus Fairbanks Erastus Fairbanks Joseph Henry Cyrus McCormick Telegraphy David Alter Samuel Morse Alfred Vail Morse code National park Hot Springs National Park
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