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Cork insulation; a complete illustrated textbook on cork insulation ...

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REFRIGERATOR CARS 447<br />

system. Car A, which brought the sixth layer of eggs from 85°<br />

down to 66.5° F., used 12,660 pounds of ice and 540 pounds of salt;<br />

car B, which did not refrigerate either the top or bottom of the<br />

middle part of the load, used 19,755 pounds of ice.<br />

A great many experiments have been made with fruits and eggs,<br />

CHART XI\',<br />

all of which c<strong>on</strong>firm the foregoing; namely, that a suitable use of<br />

salt saves ice <strong>on</strong> a l<strong>on</strong>g haul and greatly increases the efficiency of<br />

the work d<strong>on</strong>e <strong>on</strong> both short and l<strong>on</strong>g hauls.<br />

The experiment recorded in Chart XIII adds still further to our<br />

knowledge of car c<strong>on</strong>structi<strong>on</strong> and car performance when salt is used<br />

with the ice. In this case we had short cars, so that by comparis<strong>on</strong>

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