| Description | Letters from Buchanan to Pearson regarding: Weissman's theory and education, plus the practicality of eugenic education policy; Pearson's lecture on perception and reasoning; Sir Samuel Wilke's concern over the application of statistics to medical problems, and the issues of data accuracy; biometric work at University College London; reaction time measurement, with five enclosed photographs showing reaction time measurement apparatus; and regarding her research into mice, with enclosed photograph of an electrocardiogram reading, and an offprint of F Buchanan, "The frequency of the heart-beat in the mouse", <i>Journal of Physiology</i>, Vol. 37, (1908). |