Table 2.--_Freezing point of brine at different salt concentrations_

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Salt | Salinometer | Freezing

| reading | temperature

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_Per cent_| _Degrees_ | °_F_

5 | 20 | 25.2

10 | 40 | 18.7

15 | 60 | 12.2

20 | 80 | 6.1

25 | 100 | 0.5

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