Weatherglass Readings, 30 November 1804–13 January 1805
From Daily Record, 1 November 1802–25 May 1826 (Massachusetts Historical Society).
In Jefferson’s hand, on a leaf bound with the daily observation records and other notes, tables, and memoranda.
Jefferson headed the column containing the weatherglass readings as “State of substance in the glass.” The instrument he was using for these observations has not been identified.
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Weatherglass Readings, 30 November 1804–13 January 1805, page 1
30 November 1804 - 23 December 1804
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Weatherglass Readings, 30 November 1804–13 January 1805, page 2
24 December 1804 - 13 January 1805