The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 101
compass, by means of points in the arc, radius being given.—Suppose the radius is 20 feet and it is desired to obtain five points in anarc whose half chord is 4 feet. Draw a line equal to the half chord, fullsize, or on a smaller scale if more convenient, and erect a perpendicular atone end, thus… … GEOMETRICAL PROBLEMS. 53 x the values 0, 1, 2, 3, and 4, etc and for R2 the square of the radius, or400. The values will be y = V#» _ xi = V400, ^399, ^396, V39I, V384; = 20, 19.975, 19.90, 19.774, 19.596.Subtract the smallest, „„„„ „ * 4 or 19.596, leaving 0.404, 0.379, 0.304, 0.178, 0 feet. Lay…
Mechanical engineering
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