| Description | On the same sheet:
Letter. Josh. Batham (Ocker Hill Engines) to John Houghton.
14 Jan.
1808
Houghton has added notes on the coal consumption of the Smethwick engine and the sheet has been used for various calculations.
Docketed “Statement of the annual expenses attending Ocker Hill engines. Consumption of coals by the Smethwick engine.” |