Cutaway drawing of the Bristol <i>Hercules</i> 14-cylinder two-row radial aircraft engine. 57,400 engines were built.
UK Ministry of aircraft Production, via U.S. Office for Emergency Management. Office of War Information. Domestic Operations Branch. Bureau of Special Services.
circa 1943 <div style="display: none;">date QS:P,+1943-00-00T00:00:00Z/9,P1480,Q5727902</div>
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