30 



wagón with a tank of one hundred gallons or 380 litres or more 

 eapacity. With a strong man at the handle sufficient pressure 

 may be maintained for two lines of hose. The eapacity per 

 day ranges from four hundred to six hundred gallons or 1320 to 

 2280 litres per day. 



BARREL PUMP.— This type is also satisfactory for work 

 of considerable volume, though not as powerful as the foregoing 

 type and will rarely support more than one line of hose. Figu- 

 res 11 and 12 represent the pump in differnt positions on the 



Figure 11 



Figure 12 



