Engine of <a href="https://en.wikipedia.org/wiki/Stanley_Motor_Carriage_Company" class="extiw" title="en:Stanley Motor Carriage Company">Stanley Steam Car</a> (built 1919), seen at <i>Concours d'Élégance</i> in Mondorf-les-Bains, Luxembourg.
<a href="//commons.wikimedia.org/wiki/User:Palauenc05" title="User:Palauenc05">Palauenc05</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>