HIGHWAY CONSTRUCTION 



Draining tools. The tools employed for digging the ditches 

 and shaping the bottom to fit the drain tiles are shown in Fig. 44. 

 They are convenient to use, and expedite the work by avoiding 

 unnecessary excavation. 



The tools are used as follows: Xos. :j, 4 and "> are used for 

 digging the ditches; Nos. and 7 for cleaning and rounding the 



Fig. 45. Reversible Roller. 



bottom of the ditch for round tile. No. 2 is used for shoveling out 

 loose earth and levelling the bottom of the ditch; No. 1 is used for 

 the same purpose when the ditch is intended for "sole " tile. 



Fig. 46. Watering Cart. 



Horse Rollers. There is a variety of horse rollers on the 

 market. Fig. 45 shows the general form. Each consists essentially 

 of a hollow cast-iron cylinder 4 to 5 feet long, 5 to 6 feet in 



