| Description | Two transcripts sent by Gregory Watt to M. R. Boulton in London in Mar. 1799 as follows: Letter. Gregory Watt to James Watt Jr. Sept. 1797. Transcript of abstract. M. R. Boulton (Soho) to James Watt Jr. Sept. 1797. Visit of Andrew Vivian and Richard Trevithick to negotiate on the arrears of various Cornish mines. Extensive details of the negotiations. |