(1) The bar or rod toothed to engage with a pinion or worm. (2) Specifically the toothed or cogged track fixed around the curb in windmills equipped with mechanical winding gear.
A projecting platform around tall tower or smock mills, providing access as appropriate to the BRAKE ROPE, tips of the SAILS, TAIL POLE and STRIKING CHAIN. also known as STAGE.
Device set across eye of the runner to support the stone and take the drive. Also known as a CROSS, RIND, BRIDGE, RYND. See GIMBAL and SILE. (1) BALANCE RHYND A two-armed, flexible support for a RUNNER STONE consisting of an iron bar or BRIDGE secured across the EYE of the stone. A dimple in the underside of the bridge fits over the COCK HEAD of the STONE SPINDLE and serves to centre the stone on the spindle. A shaped iron MACE fits on the spindle to engage the bar and rotate the stone. (2) FIXED RHYND. A three or four-armed cross-piece which holds the RUNNER STONE firmly above the BEDSTONE. (3) STIFF RHYND. A collar fitted to the top end of a STONE SPINDLE which has three or four arms or spokes which fit into sockets cut round the EYE of the RUNNER STONE to carry the weight of the stone and control the gap between the grinding faces.
The furrow pattern of a pair of MILLSTONES where the RUNNER STONE rotates clockwise as seen from above (in a conventional windmill or watermill layout).
With millstones DRESSED with HARP pattern furrows, a MASTER FURROW, when viewed from one edge of the stone, passes from the right-hand side of the EYE (DRAFT CIRCLE) to the edge of the stone towards the viewer. The minor furrows lie parallel to it on its right hand side. With SICKLE DRESS and other variants of curved furrows, the furrows similarly pass generally from the right hand side of the draft circle towards the viewer. Both stones of the pair usually carry an identical DRESS as viewed when DRESSING, i.e. with RUNNER STONE face-up.
A pair of MILLSTONES carrying RIGHT-HAND DRESS.
(1) A cast-iron roller used, with others, to support a cap on a SHOT CURB or the body of a COMPOSITE MILL or PALTROK MILL. (2) Used for crushing/grinding grain See ROLLER MILL and OAT CRUSHER.
(1) A FLOUR MILL where ROLLER MILLING is carried out. (2) A machine with grooved or smooth steel rollers for grinding grain.
The upper revolving stone of a pair of millstones. A 4 foot-diameter stone revolves at about 120 r.p.m. when grinding (outer edge of the stone is moving at about 18mph) also known as a LOOPER, UPPER STONE.