Hvalfanger Chr. Nielsen (b. 1925, Akers Mekaniske Verksted, Oslo))
Unknown author<span style="display: none;">Unknown author</span>
Norsk Maritimt Museum: image no. <a rel="nofollow" class="external text" href="http://www.digitaltmuseum.no/things/bilde/NSM/NSM.2106-074">NSM.2106-074</a>, via digitaltmuseum.no.