Box 22
     Container 
  
Contains 88 Results:
Material-Testing using sonic waves., 1940-10-05
     File  — Box: 22, Folder: Arch 5/4 (Copy)
  
        Dates: 
      1940-10-05
    
  
    
  
Operating instructions for supersonic material testing apparatus, 1942-07-06
     File  — Box: 22, Folder: Arch 5/5
  
        Dates: 
      1942-07-06
    
  
    
  
Operating instructions for supersonic material testing apparatus, 1942-07-06
     File  — Box: 22, Folder: Arch 5/5 (Copy)
  
        Dates: 
      1942-07-06
    
  
    
  
Frequency Sensitive Relays, 1939-11-14
     File  — Box: 22, Folder: Arch 6/1 (Translation)
  
        Dates: 
      1939-11-14
    
  
    
  
Development of a Frequency meter reacting with small time lag., 1941-01-19
     File  — Box: 22, Folder: Arch 6/2 (Translation)
  
        Dates: 
      1941-01-19
    
  
    
  
Development of a Frequency meter reacting with small time lag., 1941-01-19
     File  — Box: 22, Folder: Arch 6/2 (Translation) (Copy)
  
        Dates: 
      1941-01-19
    
  
    
  
Counting of best periods for flight tracing above ground, 1939-10-03
     File  — Box: 22, Folder: Arch 7/1
  
        Dates: 
      1939-10-03
    
  
    
  
