Appendix E. and F. to the new edition of Tredgold on the steam engine and on steam
navigation : West India mail steam packet Isis / by Mr. Pitcher, ...The Orion Ipswich
steam packet vessel / by Mr. Read, ... Engines of the Isis / by Messrs. Miller and
Ravenhill. H. M. steam frigate of War Cyclops / by Sir William Symonds, ... Engines
of the Dee and Solway West India mail steam packets / by Messrs. Scott, Sinclair,
and Co.
Wikipedia, https://en.wikipedia.org/wiki/William_Symonds, 2019-12-02