To remove this obstacle I repeat or refer to such knowledge as has come under my notice, my own previously expressed views, and also describe and exhibit my last experiments and explain their novelty and utility.

He accepted a place on the Ellesmere and circumnavigated Australia. Work on the rotary engine which powered many early aircraft up until about 1920. His development of the rotary engine was frustrated by the weight of materials and quality of machining available at the time and he was unable to get sufficient lift from his engines to build an independent flying machine.