A.NGLER. 'S 

 HAND 



IVATER LEVEL 



WATER LEVEL 



DIj\GRy^M S 



ANGLBR'3 

 HAND 



WATER LEVEL 



WATER. LEVEL 



DIAGRAMS SHOWING POSITION OF A ROD WHEN MAKING THE 

 "FORWARD" AND "BACKWARD" CASTS 



