| Description | Enclosing (b) below. Forwarded to Watt Jr. in London.
Peter Ewart’s suggestions for getting round the problem of regulating the speed of an expansive engine. If this works, he might be able to fit a 30 horse engine in. Mr. Joule, a brewer, wishes to pay Boulton & Watt’s premium and have an air pump fitted to his Stuart engine. |