8vo, pp. 36; original printed wrappers; a good copy.
US $467 €397
first edition of a wide-ranging philosophical discourse, pronounced at the institute where Helmholtz had graduated as a medical doctor 35 years before. The discourse is not confined to medicine, taking in Newton, Gauss and Riemann, Socrates and Kant, as well as Hippocrates, Vesalius, Harvey and Helmholtz’s mentor, Johannes Müller.
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