Miscellaneous Implements Exhibited at Norwich, 1911. 261 



the material to be distributed through openings in the rear 

 side of the hopper. It is claimed that there is nothing so 

 effective, of the force-feed order, as a screw, while the screws or 

 helices being open, that is having no centre piece, pasty material 

 cannot lodge on or block the screws. The entire bottom of 

 the hopper can be instantly dropped, and each helix withdrawn, 

 making the cleaning process very easy. 



Exhibit No. 955.— Potato Spraying Machine, " Norwich " 

 Pattern, suitable for spraying small acreages. — Exhibited by 

 The Four Oaks Undentable Syringe and Spraying Machine 



'W'-'A'^WT^ifT^Vi^^r', 



Fig. 7— Motor Roller. 



Company, Sutton Coldfield, Birmingham. This is a neat little 

 machine for spraying four rows of potatoes on both sides at 

 once. It has two tandem wheels, so as to go down one furrow. 

 The sprayer consists of a horizontal pipe stretching across and 

 over four rows of potatoes, to which are jointed eight arms 

 with spraying nozzles, which can be set to deliver the spray at 

 any desired angle. The pump is driven from the rear wheel 

 by an ordinary bicycle chain. The pump is worked by a disc 

 crank with variable throw, and a by-pass on the pump provides 

 for the necessary agitation of the mixture. 



Exhibit No. 966.— Oil Engine, 75 B.H.P., 3-cylinder, 

 2-8troke cycle, working on the Diesel principle, whereby crude 

 petroleum refuse may be used as fuel without a vaporiser, and 

 any form of ignition apparatus is dispensed with, — Exhibited 



