| Description | The bundle comprises:
1. Letter. J.H. Pott (Berlin) to [James Watt] (--). 12 March 1771. In German, with a translation into English. [Concerning chemicals and manufacturing processes].
2. Description by James Watt jr. of Mr Taylor's 'Turkey red Process' for dyeing to James Watt (Birmingham). 29 December 1788.
3. Letter. J Berthollet (Paris) to James Watt (Birmingham). 22 April 1789 and an account of the procedure for dyeing cotton 'Turkey red'. In French. |