10 
BULLETIN 1290, U. S. DEPARTMENT OF AGRICULTURE 
In Figure 6 the average ingoing and outgoing air temperatures in 
ISTo. 2 between-decks are shown. Figure 3 indicates the positions at 
which these temperatures were taken. In Figure 5 the air in the 
mixing or suction chamber and the return air from Xo. 2 between- 
decks is given. The air from the mixing chamber is carried over the 
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Fig. 5. — Air, sea-water, and brine temperatures on the Brsl trip 
brine pipes (see fig. 1) out into the hold. The air in this chamber, 
as shown in Figure 5, corresponds to the ingoing air in Figure (> 
after it has passed over the brine pipes and just as it passes through 
the openings in the apron. The outgoing air, as shown in Figure 5, 
is the air after it has passed through, over, or under the load and is 
entering the openings in the apron prior to passing over the brine 
pipes on its return to the mixing chamber, where it is shown as "Air 
