 | Frederick Walter Simms - Leveling - 1856 - 258 pages
...will be o c. From this square root oc subtract ec ; the remainder will be oc, which is equal to i », the required ordinate. Example. — The middle ordinate...100 feet chord ba, to a radius of 819, being 1'528 foot, it is required to find the length of the ordinate in, 20 feet from the middle one. Here, the... | |
 | Whiting Griswold - Railroad engineering - 1866 - 144 pages
...root of the remainder; this square root will be oc ; subtract ec from oc ; the remainder will be o 0, which is equal to in, the required ordinate. EXAMPLE. — The middle ordinate de (Fig. 1) of a 100 ft chord ab, to a radius of 819 ft. = 1-52 ; it is required to find the length of... | |
 | Electronic journals - 1851 - 498 pages
...square root of the remainder. This square root will be o c. From this square root oc, sublract e cythe remainder will be oe, which is equal to in, the required ordinate. Example. — The middle ordinate of a 100 feet chord to a radius of 819 being 1-528 feet, it is required to find the length of an ordinate... | |
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... the remainder will be ec; then from the square of the radius ci, subtract the square of the distance oi, which the required ordinate i n, is from the middle ordinate de, and extract the square root of the remainder. This square root will be o c. From... 