19 



with swell and reinforce, of medium russet harness leather, to the 

 other end. Two leather loops of medium russet harness leather are 

 sewed on web to take the billet. Surcingles are manufactured in 

 three sizes and in equal proportions, as follows: 



LARIAT. 



(Plate V.) 



The body is a |-inch linen braided rope, of twenty strands, glazed, 

 and 26 feet long. To each end is attached a link and hook, the rope 

 being protected from wear by a thimble, around which the end of the 

 rope is passed and secured by being wrapped in two places with soft 

 copper wire of 0.035 inch diameter. One end of hook is closed around 

 the link, while the other forms the hook. It has a spring made from 

 sheet spring steel 0.028 inch thick and tempered. 



LARIAT STRAP. 



(Plate V.) 



This is made from russet collar leather, 7 to 8 ounces per square foot. 

 It is I inch wide and has at one end a bronzed 1-inch malleable-iron 

 snap, German, fastened with one No. 10 brass belt rivet, the other end 

 having a standing loop fastened with two No. 10 brass belt rivets. 



PICKET PIN. 



(Plate V.) 



The parts are — 

 1 pin, 



1 crossbar. « 



1 loop. 



1 ring and eye. 

 All parts, except the ring, are drop-forged from soft decarbonized 

 steel. 



The pin is made 0.6 inch in diameter, with the head sufficiently 

 strong to resist upsetting when struck to drive the pin into the 

 ground. The crossbar swivels around head of pin, while the loop is 

 riveted to the crossbar so as to turn freely. The eye is riveted into 

 loop, so as to swivel easily, and the ring, made of decarbonized steel 

 wire \ inch diameter, is welded into eye. The complete picket pin is 

 painted black. 



