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 26
de. The smaller one may havethe twelve main lines 4 long and 0.2 apart, each division being sub-divided into five equal parts. Allowing a margin of h all round, thesize of the template would be 5 by 3V outside. The larger templatemight conveniently have the twelve main lines 7 long and V apart,each… … Examples.—1. Draw a straight line, and on it mark off a lengthAB of 3.67. Bisect AB. Note.—The bisection of a line is best done with the compasses,using the lead. Set the compasses to the half-length as nearly ascan be guessed, and witli A and B as centres describe short arcsnearly meeting on the…
