THE

AGRICULTURAL, MAGAZINE. No.IV.] SECOND SERIES.[Voz ï.

FOR OCTOBER, 1806.

ec Owns

ON AN ANCIENT CHAFÉ-CUTTING MACHINE, DESCRIBED IN LEOPOLD’S THEATRUM MACHINARUM, A GERMAN WORK PRINTED IN 1724.

[With a Plate annexed.)

N the annexed plate, we have given a side and front View (figs. 1 and 2) of a very useful Chaff-cutting Machine.

A, figs. 1 and 2, is the box or trough, into which the 4waw, &c. to be cut, is laid.

B Bare upright posts at one end of the box A, between which a frame, c cc e, slides, carrying the knife D,

E is a shaft, in the room beneath the machine, conveying the power to work the machine from apy kind of mij: it has a crank, e, at its end, which connects by the rod F, with the lower cross-bar of the frame cccec; so that when the shaft is turned round, it moves the frame up and down be- tiveen the posts B B.

G is a lever, one end of which is jointed to the under side of the frame, the other is fastened to the spindle g; this spindle has at its ends, two other shorter levers(one of these is not shewn) h, fastened to it; these by means of a rod 1, give motion to a racket-wheel k k, on each end of the axis of the roller K, by which the straw,&ec. is advanced towards the knife.

lis a lever fixed to a roller, round each end of which a chain, as m, is wrapped; the upper ends of these chains, are fastened to pins coming through openings in the sides of the box A, which pins are fastened to a presser L.

M is the bin into which the chaff falis when cut.

The box A, is filled with the materiais to be cut, and the shaft E turned, which as before shewn, moves the frame ccc up and down; when it is raised, it lifts the lever G, which by means of the bar i, turns the racket wheel and roller K, and

Second Series, Vol. 1. Ff