| 1854 - 628 페이지
...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 such space ; then measure the mean height, and multiply by it the mean horizontal area; divide the... | |
| Charles Abbott (Baron Tenterden) - 1854 - 222 페이지
...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 such space ; then measure the mean height, and multiply it by the mean horizontal area; divide the... | |
| Canada - 1854 - 560 페이지
...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 such Space ; then measure the mean Height, and multiply by it the mean horixontal Area ; divide the... | |
| Great Britain - 1854 - 1036 페이지
...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 such Space ; then measure the mean Height, and multiply it by the mean horizontal Area ; divide the... | |
| Great Britain - 1854 - 378 페이지
...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 such Space ; then measure the mean Height, and multiply by U the mean horizontal Area ; divide the... | |
| Canada - 1854 - 556 페이지
...the End Breadths add Four Times the Middle Breadth, and multiply the whole Sum by One Third of ihe common Interval between the Breadths ; the Product will give the mean horizontal Area of such Space ; then measure the mean Height, and multiply by it the mean horizontal Area ; divide the... | |
| Austria - 1878 - 838 페이지
...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 such space ; then measure the mean height, and multiply by it the mean horizontal area; divide the... | |
| Edwin Beedell - 1856 - 500 페이지
...then to the sum of the end breadths add 4 times the middle breadth, and multiply the whole sum by Jrd of the common interval between the breadths ; the product will give the mean horizontal area of such space ; then measure the mean height, and multiply by it the mean horizontal area ; divide the... | |
| Richard Henry Dana - 1856 - 460 페이지
...(except the first and last) by two ; 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 such space ; measure the mean... | |
| John Joseph Shillinglaw - 1858 - 444 페이지
...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 such Space ; then measure the mean Height, and multiply by it thp mean horizontal Area ; divide the... | |
| |