div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Single Spark Photography and its Application to some Problems in Ballistics src=https:reader035fdocumentsinreader035viewer2022080320575067bf1a28ab0f07acf564html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1925 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Single Spark Photography and its Application to some Problems in Ballistics src=https:reader035fdocumentsinreader035viewer2022080320575067bf1a28ab0f07acf564html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1925 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Single Spark Photography and its Application to some Problems in Ballistics src=https:reader035fdocumentsinreader035viewer2022080320575067bf1a28ab0f07acf564html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divp© 1925 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Single Spark Photography and its Application to some Problems in Ballistics src=https:reader035fdocumentsinreader035viewer2022080320575067bf1a28ab0f07acf564html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divp© 1925 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: Single Spark Photography and its Application to some Problems in Ballistics src=https:reader035fdocumentsinreader035viewer2022080320575067bf1a28ab0f07acf564html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divp© 1925 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 6button div class=trans-image amp-img class=trans-thumb alt=Page 6: Single Spark Photography and its Application to some Problems in Ballistics...