Aircraft <a href="https://en.wikipedia.org/wiki/en:Aero_A.34" class="extiw" title="w:en:Aero A.34">Aero A.34</a> with Walter Vega engine in the contest "Challenge International de Tourisme", 1929. Behind: BFW M.23b and two DH 60G Gipsy Moth.
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
Letec magazine, volume V, issue 9, page 484, September1929