<p>I assume this is on the Thames as it was with a batch from that area.  I am wondering if it was taken somewhere near Syon House?
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One of many images that I am slowly importing from my whatsthatpicture.com website.  See the original at <a rel="nofollow" class="external text" href="http://www.whatsthatpicture.com/index.php?q=gallery&amp;g2_itemId=179">www.whatsthatpicture.com/index.php?q=gallery&amp;g2_itemI...</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/24469639@N00">whatsthatpicture</a> from Hanwell, London, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/whatsthatpicture/3742603188/">Passenger steamer on the Thames</a>