| Description | Kept with (b) & (c) below. Docketed "Invoices of piston rods Poldice, Pool, Ketley and Gregory 1779-80." On the same sheet: Invoice for a rod for Poldice Mine. Shipping of a piston rod for Poldice. Richard Dearman has ordered another rod for Boulton & Watt. [Marked "Entd. 366 J[ames] P[earson]" and "charge the above to Dolcoath engine"]. |