1851 Great Exhibition: Official Catalogue: Class IX.: William Trotter
145. TROTTER, WILLIAM, Bywell, Stocksfield, near Gateshead — Inventor
Model of reaping machine for cutting corn with revolving knives. The knives being attached to two separate sets of arms, which revolve on different centres, are kept parallel to each other, in consequence of which their action closely resembles that of the scythe of the mower. The angle at which the knives strike or cut the corn is at the command of the attendant. The knives cut at the side of the machine, the motion being reversed to make them cut either to the right or to the left.
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