140 



FLAX CULTURE AND PREPARATION 



a simple lever N, which is a pivoted on a stud fixed near the 

 base of the supporting plate A. 



A strong spiral spring P, adjustably combines the stud E 

 with a projecting " ear " Q, near to the fulcrum of lever N. 



FIG. 90 



A smooth hand stud R is fixed near the top of the bracket 

 B. It is about 4 in. long and projects outwards at right 

 angles to lever B, and is the part which the operator grasps 

 to oscillate the lever B, clockwise or counter clockwise. 



