1Enclosure: Ferdinand R. Hassler’s List of Scientific lnstruments Procured for the United States Coast Survey, November … (Jefferson Papers)
scientific instruments; barometers, mountain [index entry]
2Alden Partridge to Thomas Jefferson, 9 January 1818 (Jefferson Papers)
scientific instruments; barometers, mountain [index entry]
3Enclosure: Alden Partridge’s Notes on Altitudes of Mountains, 20 August 1817 (Jefferson Papers)
scientific instruments; barometers, mountain [index entry]
4Alden Partridge to Thomas Jefferson, 20 February 1818 (Jefferson Papers)
scientific instruments; barometers, mountain [index entry]