Thomas Jefferson’s Notes on Roman Cement, [ca. 21 November 1818]

Notes on Roman Cement

[ca. 21 Nov. 1818]

the Roman cement is a native production of the Isle of Thanet. it is an earth impregnated with iron ore, the vitriolic acid & Manganese. and it is said may be found wherever there is an iron ore.

MS (DLC: TJ Papers, 214:38127); entirely in TJ’s hand; undated; on address leaf of William J. Coffee to TJ, 7 Nov. 1818, with date conjectured from that letter’s date of receipt.

Index Entries

building materials; cement, Roman search
cement; Roman search
iron; ore search
Jefferson, Thomas; Writings; Notes on Roman Cement search
Thanet, Isle of, England; cement from search

You Are Looking At

Source Project: Jefferson Papers
Title: Thomas Jefferson’s Notes on Roman Cement, [ca. 21 November 1818]
Author: Jefferson, Thomas
Date: 21 November 1821

Reference

Cite as: “Thomas Jefferson’s Notes on Roman Cement, [ca. 21 November 1818],” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/03-13-02-0366. [Original source: The Papers of Thomas Jefferson, Retirement Series, vol. 13, 22 April 1818 to 31 January 1819, ed. J. Jefferson Looney. Princeton: Princeton University Press, 2016, p. 410.]