Crewmen aboard British survey ship <a href="https://en.wikipedia.org/wiki/HMS_Dart_(1882)" class="extiw" title="en:HMS Dart (1882)">HMS Dart</a>, <a href="https://en.wikipedia.org/wiki/Brisbane" class="extiw" title="en:Brisbane">Brisbane</a>.
not stated
University of Queensland. Hume Photograph Collection. <a rel="nofollow" class="external free" href="http://www.library.uq.edu.au/fryer/hume/web/775.html">http://www.library.uq.edu.au/fryer/hume/web/775.html</a>