London: Macmillan, 1913. Cloth. 8vo. 9"x6". Blue cloth. 8 photographic plates and 74 illustrations and diagrams. XIV, (2), 219, (5) pp.
Light scuffing to edges. Hinges overopened. Bookstore sticker on front free endpaper. Rectangular sunning on half title. Several passages throughout underlined in pencil.
This is a scarce first edition monograph by the Nobel Prize-winning Dutch physicist and discoverer of the "Zeeman effect," which is outlined in this book. Very good. Item #1031