| Description | Letters from John Rennie from 1820. John Rennie worked as a millwright and engineer in London, and he acted as a London agent for Boulton Watt & Co. The bundle also contains letters from Rennie’s foreman John Walker.
The letters are addressed Boulton Watt & Co. and James Watt Jr. Some of Walker’s letters are addressed to William Creighton and William Murdock. |