1Thomas Jefferson to Richard Randolph, 13 May 1822 (Jefferson Papers)
Your favor of Apr. 10. was recieved in due time as had been some time before the 6. barrels of water proof cement from you. I had already laid in as much Roman cement as did my 2 d & 3 d Cisterns, with a barrel surplus towards the 4 th and last. the 2 d and 3 d were done under the superintendance of mr Coffee , and with perfect success. we opened a barrel of yours and he tried several fair and...