div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: newsletteroaptcanewsletteroaptca1997-06-The-Levitron-Hirschpdf · 2012-09-02 · the Levitron as well as several other interesting demonstra- tions is called Playthings src=https:reader033vdocumentsusreader033viewer20220416005e30a96796da8976b34e8bf3html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: newsletteroaptcanewsletteroaptca1997-06-The-Levitron-Hirschpdf · 2012-09-02 · the Levitron as well as several other interesting demonstra- tions is called Playthings src=https:reader033vdocumentsusreader033viewer20220416005e30a96796da8976b34e8bf3html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv