| Description | Letters to Thomas Barnes (d. 1801), who was a colliery agent in the Newcastle area, based at Walker Colliery, initially employed by Charles Brandling. Barnes acted as informal Newcastle agent for Boulton & Watt, and the partners and James Lawson often stayed with him. James Watt jr. first met him in January 1796 while serving injunctions on pirate engine users in the Newcastle area.
The volume includes:
Copy press letter. James Watt jr. (Soho) to Thomas Barnes (Newcastle). 08 March 1797. (19 folios).
[In effect, this is an illustrated essay on Pyrites; the processes employed for the extraction of sulphur, copperas and alum; and the processes of such extraction in different areas of Germany and Sweden].
The following items are loose:
Copy press letter. James Watt jr. (Soho) to Thomas Barnes (Newcastle). 03 April 1800.(5 pieces).
Copy press letter. James Watt jr. (Soho) to Thomas Barnes (Newcastle). 04 April 1800.(2 pieces).
Drawing with annotations.(1 piece). Docket reads: Drawing of pyrites furnaces inclosed in Barnes’s letter of 31 March 1800.
Notes by James Watt jr. about pyrites. (1 piece). |