9 Ba起hhth6k1以 di lyju in it wrvul t tny wimin tal hritit e2么3efu人wk wi化hh+化i6af atdoo以do’oA Atesdept.wuuriti t pting.synilmalii ia 么hkt hm五gekw4 ohghaian,防wa2z 2网 k浴以 va.le-tt mh总 1rh认. 木cdwf vir Beeh Tnil hiau h aw fut l元kn1: s/-u/ra,公 Figure 3.Two pages from Zeeman's notebook with the first recorded observation of the Zeeman effect