17 
degrees from the previous day, and the temperature of the corn against 
the unprotected part of the boiler-room buikhead at the extreme side 
of the hold (thermometer 25) was reduced from 95° F. on April 1 to 
82° F. on April 2, a decrease of 13° F. During the voyage the tem- 
perature of the corn in the last-named position was affected by both 
CARRYING QUALITIES OF EXPORT CORN. 
the heat from the 
boilers and the water A ee CSE ey 
temperature ERY 22 29 06 25 25 07 20 09 30 DT 
. 4, [o4] 
In connection with % EEE pobees 
the temperatures of _” <a5 
the dried “B” corn in 4’, id 
N 
hold 4, in the different ‘ 20 
positions of stowage i 
at the end of the voy- 1 
age, itis interesting to 
note at what stage of 4, 
the voyage the first 
rapid increase in tem- 
perature began. The 
corn which was stowed next to the upper part of the boiler-room 
bulkhead (thermometer 18) showed a rapid increase from the begin- 
ning of the voyage; next the temperature of the corn in the top 
layer, immediately under the after ventilator, began to increase 
rapidly about March 16. At this time in the voyage the ship en- 
countered cold air and the vapor escaping from the heating corn began 
to condense in the ventilator and fall back on the corn as water. The 
upper layer of corn a short distance from the boiler-room bulkhead 
began to increase rap- 
Fia. 7.—Diagram showing temncrature records for the corn stowed 
in the forward part of hold 4, 
PUSE/SE/PPT NORFOLA NORTH COPEN- 
AIVER scor.Ano AGEN 
$e rer ALLL, 
§ 9701 Ba 14. 15 16 17 18 eo 525 07 B23 Bt 25 26 272829 9OW / 2 
G 
ATLANTIC OCEAN 
Lae 
TY 
TEMPERA 
= minal sao San 
~petaaeet eee 
ACCU Zee LIAL 
SPC NR 
Fia. 8.—Diagram showing temperature records for miscellaneous 
electrical resistance thermometersin hold 4. (Cargo No. 1.) 
idly in temperature 
about March 20 and 
that stowed along the 
middle part of the 
boiler-room bulkhead 
about March 23. 
CONDITION OF THE CORN 
AS DISCHARGED. 
When the hatches 
were opened in Den- 
mark, the corn in all 
of the holds gave off 
moisture in the form of vapor in great volume, as is illustrated in fig- 
ure 9, which shows the formation of a dense fog as the result of the 
warm moisture laden air from hold 4 coming in contact with the cold 
outside air. When the cargo was discharged it was found that much 
of the corn had undergone severe deterioration during the voyage. 
95190°—19—Bull. 7642 
