The <a href="https://en.wikipedia.org/wiki/London_Transport_Museum" class="extiw" title="w:London Transport Museum">London Transport Museum</a>'s preserved <a href="//commons.wikimedia.org/wiki/Routemaster_prototype_RM1" title="Routemaster prototype RM1">Routemaster prototype RM1</a> (reg. SLT 56), pictured at the museum's depot in <a href="https://en.wikipedia.org/wiki/Acton" class="extiw" title="w:Acton">Acton</a>, west London, during an open day.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/17959535@N08">jonathanb1989</a> (original), cropped by User:Ultra7
CC BY 2.0
Crop of <a href="//commons.wikimedia.org/wiki/File:London_Transport_Museum_Routemaster_prototype_RM1_(SLT_56),_LT_Museum_Acton_depot_open_day,_7_March_2009_uncropped.jpg" title="File:London Transport Museum Routemaster prototype RM1 (SLT 56), LT Museum Acton depot open day, 7 March 2009 uncropped.jpg">File:London Transport Museum Routemaster prototype RM1 (SLT 56), LT Museum Acton depot open day, 7 March 2009 uncropped.jpg</a>