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Example.
Suppose 5 inches dip, by cold area.
24.87 | area. | |
5 | inches. | |
12435 | ||
Discount one-tenth | 12435 | |
111.915 | neat libs. wt. | |
Duty | - 2.25 | or 2¼d. per lib. |
559575 | ||
223830 | ||
223830 | ||
12)251.80875 | ||
4 | ||
s.d. | ||
20 11 3.23500 | , or, | |
L. 1 : 0 : 11 : 3.235. See Table. |
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