1Josiah Meigs to Thomas Jefferson, 3 May 1821 (Jefferson Papers)
You will receve, with this, a tin case inclosing a Geometric Exemplification of Temperature ,...
2Enclosure: Josiah Meigs and Robert King, Geometric Meteorological Chart for Washington, D.C., 1820, [by 3 May 1821] (Jefferson Papers)
Geometric Exemplification of Temperature Wind and Weather for 1820. at Washington City . Lat....