Miscellaneous papers concerning chronometers, relating mainly to the injury of chronometers, but also including letters on proposed experiments with chronometers in iron ships; diagrams of heaters for chronometer testing, and a plan of the case used for this purpose at Liverpool Observatory; maps showing the time kept by public clocks in various towns in Great Britain; and a newspaper cutting from 'The Western Luminary', 31 August 1852, on 'one standard of time'.