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To receive a ship (in this case P&O’s Strathlairg) the floating dock filled its ballast tanks to submerge. The ship was lined up and slowly winched in by the capstans on the dock’s sides.
Te whakamahi i tēnei tūemi
Alexander Turnbull Library, Dominion Post Collection (PA-Group-00685)
Reference: EP/1977/1879/14A
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.