OILS.

203

turns with the shaft G, and slides up and down upon it. H, a bevel wheel, in gearwith the bevel wheel I, and giving motion to the shaft G.

K, a lever for lifting up the agitator or stirrer E. e, a catch for holding up thelever K, when it has been raised to a proper height.

Fig. 105, front elevation of the wedge seed-crushing machine, or wedge-press.Fig. 106, section, in the line XX, of fig. 107.

106 f 105 J

Fig. 107, horizontal section, in the line YY, of fig. 106.

A, A, Upright guides, or frame-work of wood.

B, B, Side guide-rails.

D, Driving stamper of wood which presses out the oil; C, spring stamper, or re-lieving wedge to permit the bag to be taken out when sufficiently pressed. E is thelifting shaft, having rollers, b, b, b, b, fig. 106, which lift the stampers by the cams,a , a, fig. 106. F, is the shaft from the power-engine, on which the lifters are fixed.

G, is the cast iron press-box, in which the bags of seed are placed for pressure, later-a 'ly by the force of the wedge.