acRes. 



?-«ROWUR 





f«l-D ICE. 



GENERAL CHART 



covEBirso 



ICE PATROL 



SHOWING SEA-WATER TEMPERATURES AND VARIOUS CONDITIONS IN VICINITY 



GRAND BANKS 



BEAUFORT SCALE FOR WIND DIAGRAM. 



W761— 24. (Follows p. 151.) No. 7 



