PHYSICAL OCEANOGRAPHY OF THE GRAND BANKS REGION, THE 

 LABRADOR SEA AND DAVIS STRAIT IN 1949 



BY FLOYD M. SOULE^ 



During 1949 the 180-foot tender-class cutter Evergreen "svas again 

 used as the oceanographic vessel of the ice patrol. The problems of 

 operation from this vessel remained essentially the same as those 

 described in Bulletin Xo. 34 of this series. Hull vibration continued 





Figure 12. — Hand dynamometer designed to measure tension np to 2,500 pounds 

 in wire rope of 5/32 incli diameter. 



to be an important factor through its effect on the accuracy of tem- 

 perature measurements and the deterioration of reversing ther- 

 mometers, although trouble of the latter category was somewhat re- 



1 Contribution No. ,550 of the Woods Hole Oceanographic Institution. 



49 



