Fri 1 Mar 1839
From John R Denyer
To W P Richards
8 Wellington Street, Strand
Mr Ferrabee thinks the boilers will be of no use with an engine upon the expansive principle, ie a Cornish engine. They may be of use with one on Bolton & Watt’s principle, but the former would be more economic. Present Engine in best possible condition but exposed to weather for 50 years.
