Reid and Sigrist R.S. 3
Image from the Royal Air Force:<a rel="nofollow" class="external free" href="http://www.jaapteeuwen.com/ww2aircraft/html%20pages/REID%20AND%20SIGRIST%20RS3%20DESFORD.htm">http://www.jaapteeuwen.com/ww2aircraft/html%20pages/REID%20AND%20SIGRIST%20RS3%20DESFORD.htm</a>