﻿Smithsonian 
  Report 
  1922. 
  — 
  Ames. 
  

  

  Plate 
  3. 
  

  

  Eddying 
  Flow 
  Past 
  an 
  Aerofoil. 
  

  

  Stream-line 
  Flow 
  Past 
  an 
  Aerofoil. 
  

  

  