to Feb. , 19 1 1 •] Preventfon of Potato Blight by Spraying. 



131 



wheels can be moved in or out to suit the width l:)etween the rows. The 

 spray never comes in contact with iron, as it passes through brass, 

 armoured hose and a, copper tube. The armoured hose is warranted not 

 to collapse. By means of a couple of levers easily controlled, the sprays 

 are lifted at the end of the rows and the mixture is, at the same time, 

 cut off at the tank. As soon as the machine is in ])Osition for spraying 

 the next set of rows, the levers are reversed and a fresh start is made. 

 Duplicates of the different ])arts are kept in stock, so that they are easily 

 replaced when necessary. The complete cost is ;£^o. 



4. Stra-usoif s Cart Sprayer. — The pump is of gun metal provided with 

 an agitator. It c:\n be readily fitted to an ordinary dray and the jnimp 

 is worked b\- hand. The c^ist of the sprayer with three droppers is ^15 

 and with five dro])pers ^17 los. If fitted with automatic gear, so that 

 hand-power is dispenseil with, the (ost is ^^5 extra. 



&: D. MOTOR ■SPR.'WER. 



5. /. . />'. ami P. .\utoniaiu Horse Sprayer.— TWx'^, pump has a two-inch 

 doulilf action and is compost-d of gun metal. It is PKJunted on large 

 transports driven by sjirockt-t and chain gear. The (lro|)pers are five in 

 number, witii double spravs at tin- bottom and a single spray at the top. 

 The gear can easily be thrown in and out at the end <if tlip rows. The 

 vat hcilds 80 gallons and the |)rice is ;^35- 



6. /. . />. (iihl P. Molur Sprayer. — This consists of an engine, pump 

 and vat. The engine runs at 500 revolutions which is considerably under 

 any other motor and has a pressure from 150 to 300 lbs. It is fitted 

 with a governor, which enal)les it to run at any desin^d sin-ed, and has a 

 magn*"to instead of a battery. The engine can l>e completely disconnected 

 Ml five niinntes and ni:i\ be used for other work, such as chaff lUtting. 

 |)umi)ing water. \:c. ("ost of the engine, ;^36. 



It is attached to two 2^-in. plungt-rs ami the pump has a triple agitator. 

 The dropjjers «if the sprayer are on the slump-jump principle and h.ive 

 also guards to protect the spraver. The vat is l' sh.iped to allow ot 



