<a href="//commons.wikimedia.org/wiki/Beamish_Museum" title="Beamish Museum">Beamish Museum</a>, County Durham, England. This is the transverse beam &amp; top piston of the Doxford 58JS3 engine inside the Tyne &amp; Wear Museums regional store, which is probably better known to museum visitors as the <a href="//commons.wikimedia.org/wiki/Beamish_Museum:_Waggon_%26_Iron_Works" title="Beamish Museum: Waggon &amp; Iron Works">Waggon &amp; Iron Works</a>.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/24592131@N00">Terry Whalebone</a> from Bolton, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/terry_wha/2671923048/">Transverse beam &amp; top piston</a>