Hui, Alexandra E. Department Ideals and Practices of Rationality, Max Planck Institute for the History of Science, Max Planck Society;
http://www.jstor.org/stable/10.1086/671366 (Any fulltext)
Hui, A. E. (2013). Changeable ears: Ernst Mach’s and Max Planck’s studies of accommodation in hearing. Osiris, 28(1), 119-145.