Signed book: Les Phenomenes Thermioniques by Eugene Bloch. First edition. Paris: Les Presses Universitaires de France, 1923. Hardcover, 6.25 x 9.5, 111 pages. Signed on the half-title page in fountain pen, "Hommage de l'author, Eugene Bloch." To the left of the inscription is a stamped facsimile signature of Bohr, indicating that the volume originates from his personal library. Autographic condition: fine. Book condition: VG/None, with sunning to spine. Eugene Bloch (1878-1944) was a French physicist and professor at the Ecole Normale Supérieure, and at the Faculty of Science of the University of Paris.
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