1909 Grand Palais Air Show in Paris

 I have had the top photo so long I don't know where it came from, the bottom two are from http://dieselpunk.livejournal.com/409946.html#cutid1

above image Robert Esnault Pelterie Monoplane at Exposition, 1909 from http://edwardianera.tumblr.com/

to look through a book online of the photos below

http://gallica.bnf.fr/ark:/12148/btv1b8438642s.r=1910+Salon+de+l%27automobile.langEN