Publication
Jefferson Papers Indexes | Papers of Thomas Jefferson, Cumulative Index to vols. 1–20 | H | hygrometer
– Franklin's work on [3 references]
– made by Rittenhouse [1 reference]
– manufacture [1 reference]
– Vaughan sends to TJ [2 references]
– TJ's design of [1 reference]
– Vaughan discusses [1 reference]