Aveling Traction Engine at the Science Museum (London). Additional Note: This engine no. 721 is the oldest surviving Aveling engine in the UK from 1871.
{{Information |Description=Aveling Traction Engine at the Science Museum (London). |Source=Flickr http://www.flickr.com/photo_zoom.gne?id=2198832691 |Date=January 2008 |Author=Elsie esq. / Les Chatfield http://www.flickr.c