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Hardening Room

Files

GTD-3-23-14-023.jpg (941.49 KB)

Description

Rockwell testing (hardness) both case and through hardness is a critical component in a quality G.T.D. product.

URI

https://dspace.montaguearchive.org/handle/MHS-01376/3727

Collections

Greenfield Tap & Die - A Singular Collection