Clawson, Chris2020-04-132020-04-13https://dspace.montaguearchive.org/handle/MHS-01376/9262/25/48 GTD at Symmons Engr. Plant Boston Mass.; – Editor's Note: Lathe-mounted component is being "reamed" with a tapered reamer which indicates that the component being machined will be a "press fit" to its mating component.Greenfield Tap & Die Co.GTD