1To Thomas Jefferson from Jonathan Williams, 24 January 1796 (Jefferson Papers)
As you are now retired from public Business you will not, probably, consider a philosophical...
2Enclosure I: Extract from Jonathan Williams’s Meteorological Journal, 1791 (Jefferson Papers)
Places Dates Therr: Barometer Fall Rise Assent in Feet Descent in feet Height above Richmond....
3Enclosure II: Height of Virginia Mountains by Barometrical Measurement, 24 January 1796 (Jefferson Papers)
MS ( DLC : TJ Papers, 80: 13925); entirely in Williams’s hand; endorsed by TJ: “Mountains. height...