Vertical iron spindle carrying the STONE NUT to drive the RUNNER STONE from above, which is 4-sided or round with ribs cast on to act as damsel. (OVERDRIFT)
Diagonal timbers from the end of the CROSS TREE to support the POST of a POST MILL and taking the weight of the BUCK.
A common type of MILLSTONE DRESSING in which the FURROWS form a series of triangular patterns or HARPS around the grinding face. Each HARP has typically four straight FURROWS. The number of HARPS is variable, 8 to 10 being common. The longest FURROW is called the MASTER FURROW which normally lies tangentially to an imaginary circle at centre of the stone. There are commonly 3 shorter furrows lying parallel to the master furrow: the JOURNEYMAN, PRENTICE AND FLY FURROWS. See also STRAIGHT DRESSING, THREE QUARTER DRESSING, and TWO QUARTER DRESSING.
A primitive hand mill for grinding corn. (1).BEEHIVE QUERN. Consisting of male and female coned stones the cones forming the grinding surfaces. The upper (female) stone incorporates a small hopper for the grain. (Early form of quern, name derives from its shape (2).ROTARY QUERN, A pair of small millstones turned by hand using a handle. Introduced c400 BC (3).SADDLE QUERN. Primitive hand quern employing reciprocating motion.