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This searches the indexes to the Transactions of the Historic Society of Lancashire and Cheshire.

On the importance of testing chronometers before they are used at sea, with examples to show how their most common faults may be detected
Author: Hartnup, John
Volume: 9 (1856-1857) Pages: 11-20, tables. View Volume

On the method of testing marine meteorological instruments recently introduced at Liverpool Observatory
Author: Hartnup, John
Volume: 8 (1855-1856) Pages: 109-114, View Volume

Results deduced from observations, taken with the self-registering anemometer and rain-gauge, at the Liverpool Observatory, during the four years ending December 31, 1855
Author: Hartnup, John
Volume: 8 (1855-1856) Pages: 212-216, tables, graphs. View Volume