1David Rittenhouse to Tobias Lear, 27 December 1792 (Washington Papers)
We have begun to Assay some of the European Coins, and shall proceed tomorrow, at the Mint, if it...
2Enclosure: David Rittenhouse to Edmund Randolph, 22 May 1794 (Washington Papers)
An opportunity now offers of purchasing for the Mint about one Ton of wrought Copper, at the...