Signature of Ludvig Valentin Lorenz taken from a book edited by H. Valentiner
Ludvig Valentin
between 1896 and 1904 <div style="display: none;">date QS:P,+1500-00-00T00:00:00Z/6,P1319,+1896-00-00T00:00:00Z/9,P1326,+1904-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=wu.89048365860&amp;view=1up&amp;seq=10&amp;skin=2021">Œuvres scientifiques de L. Lorenz, Volume 2</a>