Oxy-acetylene welding manual, by Lorn Campbell 74867 [Author: Lorn Campbell] [Link: https://www.gutenberg.org/ebooks/74867] note: link will be active within two hours of posting. Thanks to deaurider, Harry Lamé and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Robert