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 28
F G B Feet ptr second/ … A 1— B r D Examples.—1. Divide a line 2. 87 long into two parts which shallbe in the ratio 4:7. 2. Divide a line 3.19 long into two parts, so that the length of one part is to the length of the whole as 4 : 7. 3. On a straight line mark off a length of 2.71, and divide the length into three…