Description of Side Delivery Hakes. 127 
ti-aneversely, carrying the material to be collected with them, 
each tooth as it reaches the limit of its transverse movement 
in one direction being lifted from the ground and caused 
to travel in the reverse direction, the stirrups on the lower side 
of the vertical chain holding the teeth whilst collecting, and 
those on the upper side guiding the teeth in the opposite 
direction. 
