| Description | Letters from Elderton to Pearson regarding research into Francis Galton, his scientific work and secretaryship of the British Association, and the work of the Galton Laboratory staff. Enclosed are notes on Galton's heliostats, weather chart notes and diagrams copied from the <i>Shipping and Mercantile Gazette</i> January 1871, and notes on exploration taken from <i>The Cornhill Magazine</i> Volume V, March 1862, pp. 354-364. |