The Helix Volume 1 - May 1st 1918
On May 1st, 1918 Greenfield Tap and Die began printing its own internal newsletter called The Helix. A copy of Volume 1 was recently donated to The Museum and is available for viewing in PDF Format.
On May 1st, 1918 Greenfield Tap and Die began printing its own internal newsletter called The Helix. A copy of Volume 1 was recently donated to The Museum and is available for viewing in PDF Format.