It was used for mixing things together in the ancient times!
An invention in the Iron age.
a quern stone is used to grind corn to make flour
Lots of developments occurred during the Iron Age including: * woolly sheep * the rotary quern
quern is not a real word, it would be the same in any language: quern.
Gunpowder, Invented by the Chinese Stirrups, also invented by the Chinese. and used for horse-riders to use swords and spears. catapult, the first artillery weapon invented by the Greek.
A quern is a very basic hand mill used for grinding grain. It generally had one stone with a concave surface and the other with a convex surface. The Roman quern was larger and consisted of larger heavier stones which were rotated by animal power.
What does the word quern mean in mesopotamia?
Rotary is used to describe something that has the capability of rotation.
a quern is a simple machine that is used to grind corn. it has a lever which is used to grind corn.
A quern stone is a simple hand mill used for grinding grain into flour during the Neolithic period. It consists of two stones - a stationary lower stone and a movable upper stone that are rubbed together to grind the grain. Quern stones were an important tool for early farming societies to process food.
A rotary system can be used to calibrate flowmeters. Unless you are refering to a rotary telephone system, in which that works differently.
spring type rotary compressor