Stockholm City's seaplane base at Lindarängen in 1925; the end point of the routes to Helsinki, Danzig and Warnemünde (-Berlin).
Unknown author<span style="display: none;">Unknown author</span>
<cite class="book" style="font-style:normal">Rudberg,  Erik , ed. (in Swedish) (1926) <i> <a rel="nofollow" class="external text" href="http://runeberg.org/svda/1925/0143.html">Svenska Dagbladets årsbok TREDJE ÅRGÅNGEN (Händelserna 1925)</a></i>, <a href="https://en.wikipedia.org/wiki/en:Uppsala" class="extiw" title="w:en:Uppsala"><span title="city in Uppsala County, Sweden">Uppsala</span></a>:  Svenska Dagbladet, p. 141  <small></small></cite>