POTATO CULTURE. 



47 



hook shown at the end. The iron on the under side of C 

 (Fig. 5) is slotted for F to pass through. The line of draft is 

 changed by means of a bolt passing through different holes. 



FIG. 1. TERRY'S POTATO-MARKER, AND ITS ATTACHMENTS. 



F goes under the bolt, of course. Fig. 4 shows the iron that 

 one wheel runs on. One of these is bolted to each end of 

 the wooden axle B, on the under side. In Fig. 2, K shows 



FIG. 2. 



the spring seat, without which no tool nowadays is complete. 

 A side view is shown of one piece, D, the top of which is 

 shown in Fig. 1. F is a side view of one plow-beam, and G 

 is one of the pieces of hard wood by which the plows are 

 drawn. There are four of these pieces, one on each side of 

 each plow-beam and of each piece D. Remember, that these 



