﻿Smithsonian 
  Report, 
  1927. 
  — 
  Klemperer 
  

  

  Plate 
  3 
  

  

  1. 
  Spot 
  Landing 
  Contest. 
  (E. 
  Meyer) 
  

  

  2.— 
  Elaborate 
  Internal 
  Trusswork 
  of 
  a 
  Glider 
  Wing 
  

  

  