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           | Description | 
           Frank Whittle speaking to employees of the Aircraft Engine Research Laboratory (Currently the NASA Glenn Research Centre), USA, in 1946. (Note: NASA didn't exist until the early 1950's). | 
          
          
           | Date | 
           Unknown date | 
          
          
           | Source | 
            C-1946-15352 | 
          
          
           | Author | 
            NASA Glenn Research Centre (NASA-GRC) - PICTURE PREPARED for Wikipedia by Adrian Pingstone in May 2004. | 
          
          
           Permission ( Reusing this file) | 
           
            
             
              
               | Public domainPublic domainfalsefalse | 
               
              
             
              
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               This file is in the  public domain because it was solely created by  NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See  Template:PD-USGov,  NASA copyright policy page or  JPL Image Use Policy.) | 
               
                
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