by Roger B. (Roger Bradbury) Whitman
Tractor Principles
The Action, Mechanism, Handling, Care, Maintenance and Repair of the Gas Engine Tractor
en
~3 hours (205K characters)
Project Gutenberg
United States: D. Appleton and Company, 1920.
deaurider and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)