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 18
10 GEOMETRY. pin to the chord, and the tracer will describe a half of the-arc required. 13. To ohtain Jnj measvrement the length of anif direct li7ie,tJwiigh intercepted hy some material ohject. (Fig. 13.) Fig. 13. Suppose the distance between A and B is required, but thestraight line is…
