1851 Great Exhibition: Official Catalogue: Class IX.: Joseph Marychurch
93. MARYCHURCH, JOSEPH, Haverfordwest, South Wales — Manufacturer.
Winnowing-machine. The blast is concentrated, and the machine occupies but little space. The riddles may be placed in various positions, to suit different qualities of grain; they rise and fall independently of the case, which moves only in a lateral direction.
Chaff-cutter, having the fly-wheel placed on a transverse spindle on one side of the trough, and giving at the cutting end a circular motion to the knives; it has three rollers, all worked by one compound-wheel. The mouthpiece is serrated above and below, and its lower jaw is moveable, being acted upon by a flexible lever working from the fly-wheel shaft. In consequence of the knives being placed on a spindle, instead of being thrown round within the area of the fly-wheel, they are reduced in size, and less power is required to work them. The flywheel is also situated alongside of the trough, and a case is fitted over the knives and gearwork.
Turnip-cutter, formed of a cylindrical barrel, on which the large knives for slicing are placed in a diagonal position. The small knives for cutting strips (which are also diagonal) are fixed upon moveable segments, and attached to the barrel directly under the large knives.