http://findarticles.com/p/articles/mi_qa3897/is_199808/ai_n8823870/ (http://findarticles.com/p/articles/mi_qa3897/is_199808/ai_n8823870/)

see also:

http://www.theaerodrome.com/aircraft/gbritain/sopwith_camel.php (http://www.theaerodrome.com/aircraft/gbritain/sopwith_camel.php)

http://www.cavanaughflightmuseum.com/Aircraft/Camel/Page1.html (http://www.cavanaughflightmuseum.com/Aircraft/Camel/Page1.html)

http://en.wikipedia.org/wiki/Sopwith_Camel (http://en.wikipedia.org/wiki/Sopwith_Camel)