Report of the Judges of Implements at Norwich. 547 
The self-acting gear may be attached to any of the hand 
machines manufactured by this Company, or by the Bedford Iron 
Works, which both belong to the same proprietary. 
Messrs. Chadborjt and Caldwell, No. 2331, Excelsior Drill. — 
This drill professes to be adapted for sowing every kind of grain 
and seed, also for dealing with artificial manures of every kind. 
The general construction of the drill will be apparent from the 
following description. The frame is made of the best American 
maple ; the travelling wheels are of large diameter ; the seed 
and manure boxes are mounted by means of angle brackets well 
above the frame ; the lids close quite watertight, and by a 
Fig. 18. — Sectional vieio of the Grain and Fig. 19. — Distributor of Messrs. 
Seed-box of Messrs. Chadborn and Cald- Chadborn and Caldwell's Excel- 
well's Excelsior Drill, No. 2331. sior Drill, No. 2331. 
peculiar form of cranked and recess hinges, one can be opened 
and shut independently of the other. The axle, which carries 
the travelling wheels and supplies the primary motive power, 
is made of steel ; it is connected with the wheels by ratchets, 
and each wheel is free to move independently of the other ; at 
the same time, both or one only can drive the whole of the 
distributors, giving a double driving power and steady motion 
to the distributors, which is an advantage. A smaller kind of 
box is used for sowing grass and clover seeds ; this can be fitted 
in front or behind the drill, and driven by a linked belt from a 
sprocket wheel on the main shaft. Fig. 18 gives a sectional 
view of the grain and seed box. Fig. 19 (a) represents the dis- 
