STEAM-WINDING DRUMS FOE PLOUGHING, ETC. 129 



piece k is fixed over the piece c f . The chain of the anchor 

 S is fastened to it. A block of wood 2 inches thick, fixed 

 under and in front of B supports the pulley P, and prevents 

 its axle from bending under the effort or traction, and at the 

 same time protects the nut e when the pulley slides on the 

 ground. 



It is important to have several other simple tools on the 

 spot a spade, a pick, a sledge-hammer, a hammer, a 

 spanner, and iron pegs it is also necessary to have a lever 

 to use, even in very wet soils, in order to dislodge the wheels 

 or discs of the automatic anchors. The instrument shown 

 (Fig. 82) answers this purpose. A wooden lever L, 8 feet in 

 length, is terminated by an iron piece a, in the hole of which 

 a double chain is fixed with hooks at each end ; the lever 

 can be raised or lowered between the branches of the piece B 

 made of flat iron, bolted on a wide bed-plate S. The chain c 



Anchor and fixed pulley. 



Lever. 



Roller for capstan pulley. 

 c b 



Fig. 82. Accessories. 



