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Technical Drawing - Exam Papers - Higher - 1994 - Paper 1Question 5(a) Draw one convolution of a logarithmic spiral where the shortest radius is 25 mm and the lengths of succeeding radii at intervals of one radian increase in the ratio of 6 : 5. (b) Fig. 4 shows a circle which rolls clockwise along the line AB for three-quarters of a revolution. ![]() ![]() |
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