This section is from the book "Practical Mechanics For Boys", by James Slough Zerbe. Also available from Amazon: Practical Mechanics for Boys.
Mixtures | Temperature Changes in Degrees Fahrenheit | |
From | To | |
Common salt, 1 part; snow, 3 parts | 32 | zero .0 |
Common salt, 1 part; snow 1 part | 32 | - .4 |
Calcium chloride, 3 parts; snow 1 part | 32 | -27 |
Calcium chloride, 2 parts; snow 1 part | 32 | -44 |
Sal ammoniac, 5 parts; salt-peter 5 parts; water 16 parts | 50 | -10 |
Sal ammoniac, 1 parts; salt-peter 1 part; water 1 part | 46 | -11 |
Ammonium nitrate, 1 part; water 1 part | 50 | - 3 |
Potassium hydrate, 4 parts; snow 3 parts | 32 | -35 |
 
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