Photo of the Norwegian-Dutch painter <a href="https://en.wikipedia.org/wiki/Betzy_Akersloot-Berg" class="extiw" title="en:Betzy Akersloot-Berg">Betzy Akersloot-Berg</a> (1850-1922) with har 'painting box' (malerkasse) used as a mobile atelier when painting outdoors
Unknown author<span style="display: none;">Unknown author</span>
Unknown photographer Self-scanned from <a rel="nofollow" class="external free" href="https://www.nnkm.no/nb/exhibitions/betzy">https://www.nnkm.no/nb/exhibitions/betzy</a> /<br><a rel="nofollow" class="external free" href="https://www.nnkm.no/sites/default/files/styles/content_width/public/betzy_akersloot-berg_og_malerkassen-1.jpg?itok=ZAGiijiY">https://www.nnkm.no/sites/default/files/styles/content_width/public/betzy_akersloot-berg_og_malerkassen-1.jpg?itok=ZAGiijiY</a>