A SURVEY OF SELECTED SOLUTIONS TO PROBLEMS OF 

 REFRACTION AND DIFFRACTION OF LIGHT WAVES AND 

 SOUND WAVES AND THE ANALOGIES OF THESE PROBLEMS 

 TO WATER WAVES 



By 

 Wilbiir Marks 



Preliminary Distribution 



Prepared under a contract sponsored by the 

 Beach Erosion Board, Corps of Engineers, 

 Department of the Army, Washington l6, D.C. 



^^rn New York University 



_^=!j College of Engineering 



°^s? Department of Meteorology 



§^5§ October 1951 



m 



