1Enclosure: 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....
2Josiah Meigs to Thomas Jefferson, 26 July 1820 (Jefferson Papers)
I hope you will excuse the trouble I may perhaps occasion by this Letter. A worthy friend of mine...
3Josiah Meigs to Thomas Jefferson, 3 May 1821 (Jefferson Papers)
You will receve, with this, a tin case inclosing a Geometric Exemplification of Temperature ,...
4Josiah Meigs to Thomas Jefferson, 12 October 1818 (Jefferson Papers)
I have the honour to present, with this, two Copies of Abstracts of Calculations to ascertain the...