SHRINKAGE OF SHELLED CORN IN CARS IN TRANSIT. 



9 



of 31.5° F. for the corn in all of the cars. At the time of unloading 

 the range in temperature was from 29° to 33°, with an average of 

 30° F., or an average decrease of 1.5 degrees. The average tempera- 

 ture of the corn at the time of loading it into the cars which were 

 held on the track in Baltimore ranged from 30° to 35°, with an av- 

 erage of 31.5° F. for the corn in all the cars. At the time of unload- 

 ing the temperature ranged from 31.7° to 38.2°, with an average of 

 33.9° F. This is an average increase of 2.4 degrees, as compared with 



MOISTURE CONTENT 

 OF CORN 



LOT 1-22.0% 



LOT2-IS.O% 



LOT 3-17.0 °/o 



LOT 4-/3.3 °/o 



CORN IN TRANSIT 

 OR ON TRACK 



SHRINKAGE IN WEIGHT 



GARIO - IN TRANSIT 

 GAR IB- ON TRA GK 



GAR 20 -IN TRANSIT 

 GAR23-ON TRACK 



(GAR <3G - IN TRANSIT 

 [GAR 3B-ON TRACK 



(GARA-G-IN TRANSIT 

 [GAR 43 -ON TRA CX 



0.27°/o 

 O.J 4-% 



0.2/ /o 

 Q.24-% 



\0.099b 

 O.04°/o 



\o./3°/o 

 \0./6°/o 



DECEMBER 



AND JS 



/$// ^ 26 28 30^ 



JANUARY 



7S 



IS 



LEGEND 

 ^CORK\IN TRANSIT, BALTIMORE 

 - AIR J TO CHICAGO &RET(/RN 



•CORN\0/V TRACK, IN 



-x—xAIR J BALTIMORE YARDS 



Fro. 3. — Diagram showing the loss in the weight of the corn, the average temperature of 

 the corn in each of four cars in transit from Baltimore to Chicago and return, and 

 also the mean daily air temperature through which the cars passed, as compared with 

 the same factors on the four duplicate cars of corn held on the track at Baltimore in 

 the second experiment. 



an average decrease of 1.5 degrees for the cars moved from Baltimore 

 to Chicago and return. This variation in the temperature of the 

 corn was due to the wide difference in air temperature between 

 Baltimore and the western points, as shown in figure 3, page 9. 



The condition of the corn in the second experiment was practically 

 the same at the end as at the beginning of the test. This is shown in 

 figure 3 by the fact that the average temperature of the corn in the 

 cars did not increase to any great extent from the time they were 

 loaded until they were unloaded. 



14901°— Bull. 48—13 2 



