Nude Descending Staircase

Drawing art classics from memory. It's great fun to try to remember a classic seen many times. Here's Duchampi's <i>Nude Descending a Staircase #2</i> 1912 from memory. Turns out my memory of this one isn't very sharp. More in this set
  http://flic.kr/s/aHsjyLSJWr

Ellis Nadler's Flickr group, Masterpieces from Memory, here
http://flic.kr/g/jirLC