Student grade book, in German, signed inside in pencil, “Planck, 12/11 23,” eight pages, for the 1923-24 term. Grade book for Herbert Ruft at the “Philosophic University of Friedrich Wilhelms-Universität zu Berlin.” The student was attending a “Physikalisches Proseminar” with Herrn Prof. v. Laue, Prof. Einstein und Dr. Huttner and heard lectures of “aus der modernen Optik.” Moreover lectures of “Physikalischen Chemie II. with Professor Max Bodenstein,” “Theorie der Wärme” with Max Planck and a “Physikalisches Praktikum” with Arthur Wehnelt.Signed next to his course listing by Planck, and also signed “Laue” by Max von Laue. In very good condition, with edge tears and creases to cover, punch holes to inside edges, official stamps and notations, and light handling wear. Pre-certified PSA/DNA and RRAuction COA.
