The naval architect's and shipbuilder's pocket-book of formulae, rules, and tables and marine engineer's and surveyor's handy book of reference (1884)
Mackrow, Clement · London, C. Lockwood and co. · leaf 27
in o, from which as a centre describe the arc kmg ;divide the base CA into any number of equal parts, and alsodivide the arc KMG into the same number of equal parts;through each point of di\dsion of the arc, as M, draw lines paral-lel to AC, and through each point of division of the base, as L»draw… … Let AB be the given circle, which divide into any equalnumber of parts—say, IJ —as I, 2, 3, .ice.; from the centre draw GEOMETRY. 19 xadii to these points ; then draw lines (tangents) at right anglesto these radii. On the tangent to radius No. 1 set oft from thecircle a distance equal to one part,…
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