﻿Smithsonian 
  Report, 
  1927. 
  — 
  Klemperer 
  

  

  Plate 
  5 
  

  

  1.— 
  A 
  Fleet 
  of 
  Training 
  Gliders 
  

  

  2.^A 
  Training 
  Biplane 
  Glider 
  

  

  