Turning and Boring Tapersde Fred Herbert ColvinMateriasLathesTurning (Lathe work)Long Now Manual for CivilizationEdiciones (1)Turning and Boring Tapers (2018)Franklin Classics · ISBN 9780343115845Más obras de Fred Herbert ColvinDDrilling and surfacing practiceDrilling and surfacing practiceGGrinding practiceGrinding practiceTTurning and boring practiceTurning and boring practice