 | United States. Congress. House. Merchant Marine and Fisheries - 1937 - 112 sidor
...it into two equal parts; measure at the middle of its height three inside breadths, namely, one at each end and the other at the middle of the length; then to the sums of the end breadths add four times the middle breadth, and multiply the whole sum by one-third... | |
 | United States. Congress. Senate. Committee on Finance - 1938 - 448 sidor
...breadths (except the first and last) by 2 ; to the sum of these products add the first and last breadths; multiply the whole sum by one- third of the common interval between the breadths, and the result will give in superficial feet the mean horizontal area of the space ; measure the mean... | |
 | 1939 - 1192 sidor
...one at each end " and at each of the points of division, numbering them successively 1, 2, 3, etc., then to the sum of the end breadths add four times the sum of the even-numbered breadths and twice the sum of the odd-numbered breadths, except the first... | |
 | United States - 1983 - 1442 sidor
...end and at each of the points of division, numbering them successively one, two, three, and so forth; then to the sum of the end breadths add four times the sum of the even-numbered breadths and twice the sum of the odd-numbered breadths, except the first... | |
 | 1970 - 438 sidor
...it into two equal parts; measure at the middle of its height three inside breadths, namely, one at each end and the other at the middle of the length;...the middle breadth, and multiply the whole sum by one-third of the common interval between the breadths; the product will give the mean horizontal area... | |
 | 1972 - 462 sidor
...it into two equal parts; measure at the middle of its height three inside breadths, namely, one at each end and the other at the middle of the length;...the middle breadth, and multiply the whole sum by one-third of the common interval between the breadths; the product will give the mean horizontal area... | |
 | 1992 - 328 sidor
...it into two equal parts; measure at the middle of its height three inside breadths, namely, one at each end and the other at the middle of the length;...the middle breadth, and multiply the whole sum by one-third of the common interval between the breadths; the product will give the mean horizontal area... | |
 | 1986 - 342 sidor
...sum of the end breadths add four times the middle breadth, and multiply the whole sum by one-third of the common interval between the breadths; the product will give the mean horizontal area of the space; then measure the mean height and multiply by it the mean horizontal area; divide the product... | |
 | Canada - 1895 - 910 sidor
...it into two equal parts : measure at the middle of its height three inside breadths, namely, one at each end and the other at the middle of the length...the middle breadth, and multiply the whole sum by one-third of the common interval between the breadths, the product will give the mean horizontal area... | |
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... and multiply the whole sum by one-third of the common interval between the breadths; the product will give the mean horizontal area of such space; then measure the mean height, and... 
