<bdi><a href="https://en.wikipedia.org/wiki/en:Otto_Ubbelohde" class="extiw" title="w:en:Otto Ubbelohde"><span title="German artist (1867-1922)">Otto Ubbelohde</span></a>
</bdi>
1910<div style="display: none;">date QS:P571,+1910-00-00T00:00:00Z/9</div>
Scan from the original work