Clerget-Blin - Société Clerget-Blin et Cie - was a
French precision engineering company formed in 1913
by the engineer and inventor Pierre Clerget and industrialist Eugène Blin.
The Clerget-Blin company mainly produced aircraft engines. Their successful rotary engine designs were additionally built in Britain by companies such as
Gwynnes Ltd,Ruston Proctor and Gordon Watney, to increase the production in the times of World War I. If any engine could
be said to be the standard power unit of the Camel then it was the 130 h.p. Clerget 9B or later the 9BF up until September 1918.