# A B C D E F G H I J K L M N O P Q R S T U V W Y Z
Cracking
The series of fine grooves or crackson the LANDS of MILLSTONES. As many as 16 to the inch may be cut.Also known as stitching, feathering, scratching or drills. Pits at irregular intervals, instead of grooves, are cut for grinding oats.
