Flying Machine 1911

Sheet 1 of the 1911 patent by Alexander Graham Bell’s Aerial Experiment Association (Bell, Baldwin, McCurdy, Curtiss and Selfridge): the whole machine from above, with the movable wing tips that became the aileron. The inventors, as the sheet names them: A. G. Bell, G. H. Curtiss et al.. Printed big on the back, and as a poster.