Millstones or mill stones are stones used in gristmills, used for triturating, crushing or, more specifically, grinding wheat or other grains. They are sometimes referred to as grindstones or … See more

The preparation of vegetable products (roots, tubers, almonds, leaves, etc.), animal products (marrow, tendons, etc.), or mineral products ( See more

In common language, "millstone" refers to any type of rock that may have been used in a mill, whereas in the geological sense, true "millstone" is defined as a siliceous accident in a See more

Grain is fed by gravity from the hopper into the feed-shoe. The shoe is agitated by a shoe handle running against an agitator (damsel) on the stone spindle, the shaft powering the runner … See more

The origins of an industry
Often referred to as the "oldest industry", the use of the millstone is inextricably linked to human … See more

Until the invention of the watermill, mills operated using "strength-powered", i.e. the force of animals or people.
The metate
The metate is a … See more

The surface of a millstone is divided by deep grooves called furrows into separate flat areas called lands. Spreading away from the furrows are … See more