The Draughtsman's Handbook of Plan and Map Drawing
Including instructions for the preparation of engineering, architectural, and mechanical drawings.
en
~5 hours (340K characters)
Project Gutenberg
Produced by Chris Curnow, Harry Lamé and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive, with additional images from Hathi Trust)