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Enclosure I: Extract from Jonathan Williams’s Meteorological Journal, 1791

Enclosures
I
Extract from Jonathan Williams’s
Meteorological Journal

Meteorological Notes .. 1791
Places Dates Therr: Barometer Fall Rise Assent in Feet Descent in feet Height above Richmond.
Richmond June 26. 70. 29.80
Woods 29. 65. 29.70. 0.10  1001  100
Gap " 76. 28.60. 1.10 10502 1150
Top 79. 27.90. 0.70  672 1822
Foot 30th. 75. 28.90 1.00 959.  863.
Staunton 73. 28.70. 0.20  192 1055.
Wm. spring }
1 Mountain
 Foot.
July 14. 63. 28.82 0.12 112.  943.
summit 82 27.80. 1.02  955. 1898
2d Mountain }
 summit
" 77. 27:44 0.36  349 2247.
Warm springs 77. 28.03. 0.59 562 1685.
Morris 61. 28.67 0.64 614 1071
Browns 15th. 67. 28.80. 0.13 122.  949.
Red springs3 66. 28.20. 0.60  563 1512
Allegaheney }
in the Road
31st. 80. 27.64 0.56  525 2037
summit 76. 26.86. 0.78  723 2760.

MS (DLC); consists of one page entirely in Williams’s hand; endorsed by TJ: “[Williams Jonathan Jan. 24.] 96. recd. May 10.” As printed in APS description begins American Philosophical Society description ends , Transactions, iv (1799), 219–20, Williams’s table, called “A Meteorological Journal, made with a View to discover the Height of the Country, at various Places, from Richmond, to the Alleghany Mountains in Bottetourt, Virginia.—1791,” contains several variations in text as noted below, additional columns for time of day, weather, and distance from Richmond, as well as additional places, more complete names for some sites, and five notes adding details of some observations.

1. Here and in next column APS description begins American Philosophical Society description ends , Transactions, reads “95.”

2. APS description begins American Philosophical Society description ends , Transactions: “1055.”

3. APS description begins American Philosophical Society description ends , Transactions, gives date of 16 July for this observation.

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    Jefferson Papers
    Title
    Enclosure I: Extract from Jonathan Williams’s Meteorological Journal, 1791
    Author
    Williams, Jonathan
    Date
    1791

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    Cite as
    “Enclosure I: Extract from Jonathan Williams’s Meteorological Journal, 1791,” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-28-02-0460. [Original source: The Papers of Thomas Jefferson, vol. 28, 1 January 1794 – 29 February 1796, ed. John Catanzariti. Princeton: Princeton University Press, 2000, p. 597.]