Report on Miscellaneous Implement Awards at Derby. 611 
its downward movement being checked by the attendant through 
the hand-lever, which, coming into contact with the fixed stop, 
on the sector, limits the descent of the implement. 
Figs. 9 and 10 show a modification. In this case the brake 
is applied to one travelling-wheel only, by means of an iron 
block acting on its periphery, and centred upon the solid shaft 
Figs. 9 ant! 10. — Elevation and Plan of a modification of Messrs. 
Hoicards^ Gang Plough. 
Fig. 9.— ElevatioD. 
Fi^'. 10.— Plan. 
or axle of the implement. This brake is worked by a treadle- 
lever very similar to that already described. The other end of 
the shaft has a screw adjustment, by which the attendant can 
regulate from his seat the depth of the work whilst the imple- 
ment is travelling. 
Figs. 11 and 12 (p. 612) illustrate another modification of 
the lifting apparatus applied to a three-furrow walking-plough. 
The crank axle B is connected to the plough-frame C, as in the 
preceding examples. A leading wheel. A*, runs in the bottom 
of the furrow ; one of the travelling-wheels A is also in the 
