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 21
sepoints on the cylinder parallel to AC and BD; draw a line efg equal in lengthto the circumference of the cylinder, and divide it into the samenumber of parts ; on each point of division set up perpendicularsto it, making eh and gk equal in length to bd. and make Fi equalin length to AC; tlien… … GEOMETRY. 13
