Journal of Research of
        the
        National Institute of
        Standards and Technology
      
| Volume 49 | Number 4 | October 1952 | 
      
      Mass Spectra of the Tetramethyl Compounds of Carbon 
      Silicon, Germanium, Tin, and Lead  ![]()
      
      
		  
		  
	   
	  
		  
		  
	  
    
      
      Determination of Planeness and Bending of Optical Flats  ![]()
      
      
		  
		  
	   
	  
		  
		  
	  
    
      
      Index of Refraction of Magnesium Oxide  ![]()
      
      
		  
		  
	   
	  
		  
		  
	  
    
      
      Refractivity of Potassium Bromide for Visible Wavelengths  ![]()
      
      
		  
		  
	   
	  
		  
		  
	  
    
      
      On Approximate Solutions of Systems 
      of Linear Inequalities  ![]()
      
      
		  
		  
	   
	  
		  
		  
	  
    
      
      Deuterium and Hydrogen Electrode Characteristics 
      of Lithia-Silica Glasses  ![]()
      
      
		  
		  
	   
	  
		  
		  
	  
    
      
      Calorimetric Properties of Polytetrafluoroethylene (Teflon) 
      from 0° to 365° K  ![]()