deficiency of the direct current field, namely the polarization of 

 the electrodes. With these basic deficiencies still unsolved after 

 a fairly comprehensive investigation, the Research Division of the 

 Beach Erosion Board has presently discontinued wcrk on this project, 

 although it still has a decided interest in encouraging the develop- 

 ment of an instrument to measure the magnitude and direction of orbital 

 wave currents whether the instrument utilizes electromagnetic induction 

 or some other principle. 



22 



