00408 a2200157 4500 ENG 670.423 Jones, Harry A. Progressive lessons in machine shop practice Rev. Toronto Thomas Nelson & Sons 1952 Machine shops Machine shop practice Drilling and boring Grinding and polishing 95476 95476 0 0 0 0 ATEN ATEN 0 R 670.423 JON AATEN007778 2019-07-03 00:00:00 2019-07-03 BK 0 0 0 0 ATEN ATEN 0 R 670.423 JON AATEN007779 2019-07-03 00:00:00 2019-07-03 BK