Greist Manufacturing Company

Sewing Machine Shank Identification
Details from later-model Greist buttonholer boxes.
Long Shuttle Buttonhole Attachment Manual
... covering the use of the Long Shuttle Buttonhole Attachment ...
Greist Buttonholer Manual
From 1966, this manual is Form 777R
Top Clamp Attachments in steel box
The above is the original scan. To enhance readability there is a black-and-white version as well as a color-corrected version.
Seam Guide
The Greist seam guide was an essential attachment for achieving precise, consistent seam allowances, featuring a similar design to its Singer counterpart for broad compatibility across different machine models.