Borchgrevink using a theodolite on the ice, Antarctica, British Antarctic (Southern Cross) Expedition, 1899, William Colbeck photograph collection, State Library of New South Wales, <a rel="nofollow" class="external text" href="http://archival.sl.nsw.gov.au/Details/archive/110373973">PXA 2123</a>
William Colbeck [Attributed]
1899
State Library of New South Wales, <a rel="nofollow" class="external text" href="http://archival.sl.nsw.gov.au/Details/archive/110373973">PXA 2123</a>