Columns? 
(MIXED RED AND BLUE) p .., , 
3-5 vessel code. See Appendix No. 2, p. 44. 007 C. H. Gilber t* 
6-9 
cruise number. For example, cruise 47 would be written 0047 
{RED ONLY) 
44-45 wind direction. Code according to Table 1, H.O. Pub. 606-c. 
46-47 
48-49 
50-51 
52 
53 
wind speed* Record In whole knots. 
barometer. Read in millibars and code according to Table 2, 
H.O. Pub. 606-c. 
weather. Code according to Table 3, H.O. Pub. 606-c. 
sea. Code according to Table 7, H.O. Pub. 606-c. 
visibility. Code according to Table 6 , H.O. Pub. 606-c. 
(BLUE ONLY) 
32-341 
35-37J 
38 
39 
Enter both in degrees Centigrade to the nearest .1 . 
cloud type. Code according to Table 4, H.O. Pub. 606-c. 
cloud amount. Code according to Table 5, H.O. Pub. 606-c. 
(RED ONLY) J , 
Blank. " bottle no.” This field is to record surface nutrients. 
If for example, surface phosphate is taken, enter PO 4 n 
the space above the word "bottle." Enter P0 4 bottle numbers 
below. 
