div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentsusreader042viewer2022020522575068011a28ab0f07ae298ahtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Variation of Hardness of Metals with Grain Size src=https:reader042vdocumentsusreader042viewer2022020522575068011a28ab0f07ae298ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1954 Nature Publishing Grouppdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader042vdocumentsusreader042viewer2022020522575068011a28ab0f07ae298ahtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Variation of Hardness of Metals with Grain Size src=https:reader042vdocumentsusreader042viewer2022020522575068011a28ab0f07ae298ahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© 1954 Nature Publishing Grouppdiv