div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentinreader042viewer2022020522575067991a28ab0f07ac465bhtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Vectors and Quaternions src=https:reader042vdocumentinreader042viewer2022020522575067991a28ab0f07ac465bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1893 Nature Publishing Grouppdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader042vdocumentinreader042viewer2022020522575067991a28ab0f07ac465bhtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Vectors and Quaternions src=https:reader042vdocumentinreader042viewer2022020522575067991a28ab0f07ac465bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© 1893 Nature Publishing Grouppdiv