Optical Instrumentation
                                    
                                        
                                        FEB 01, 1955
                                    
                                
                            
                            
                            
                              DOI: 10.1063/1.3061920
This article is only available in PDF format
More about the Authors
W. T. Wintringham. Bell Telephone Laboratories.
                                © 1955. American Institute of Physics