Scope and Contents Miscellaneous works and calculations regarding engineering, including J. Fowler's calculations on a road-bridge; strains on bridges; Airy's views on suspension bridges; a proposed safety railway; C. Fay on a continuous railway brake; an article from 'The Chester Chronicle' on the Great Channel Tunnel; a report, with drawings, on a safety steam boiler; a rainfall chart; a sketch of a rotary valve, with a paper model; R. John's surveying stand; the preservation of ship's timber; the notices,...