by Joshua Rose
Mechanical Drawing Self-Taught
Comprising instructions in the selection and preparation of drawing instruments, elementary instruction in practical mechanical drawing; together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers
en
~6 hours (400K characters)
Project Gutenberg
Produced by Joseph R. Hauser, Ross Wilburn and the Online Distributed Proofreading Team at http://www.pgdp.net