Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 142
—To draw a logarithmic curve. Draw any straight line OX, and along it, by applyingthe scale, or otherwise, mark off a series of points,1, 2, 3, 4, . . . at equal distances apart, and erect per-pendiculars at the points. Set off on the perpendicularsin succession a series of lengths which are in… … / Z 3 4- 5 6 7 8 9 10 77 7Z 128 PRACTICAL PLANE GEOMETRY chap. 130. Problem.—To draw a curve of sines of givenamplitude. With centre O, and radius equal to the given amplitude,describe a circle. Draw OF and take any two points D,E on this line. Divide the circle and DE into any and the samenumber…