Scope and Contents Works and correspondence on steam engines and propellers as used in sea-going vessels, including J. Seaward's accounts of the steam engine used for the frigate 'Gorgon' and its performance; R. Cunningham on rotary steam engine; writing on Hoseason's expansive gear in 'The United States Services Gazette'; a report on the Earl of Dundonald's rotary engine; diagrams on card of a revolution of the propeller shaft; plans of pistons; a paper by A.H. Renton, including drawings of economy of fuel on...