Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 131
of a cylinder, the method of drawing which will be learnedfrom the construction of the pre-ceding figure. In figure 120, ahollow cylinder B is represented,of which A is the geometricalplan. And in figure 121, a cylin-der B, represented with a squarehole D running in the direction ofits length, and… … isometrical proportions to geometrical plans, will be clearly evident fromthe preceding remarks. If, however, isometrical scales were used in everycase, and which would be requisite if isometrical projections were wished tobe accurately constructed, the labour of making them would be very…
Drawing · Wood-engraving
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-208-121.webp)
