MANUAL OF PACK TRANSPORTATION. 169 



In front there must be a welt of good, solid leather, 1 inch wide, 

 laid in between the body and back pieces, extending from end to 

 end, to be sewed down with two seams, one-half an inch apart and 

 one-fom*th inch from edge. 



In sewing along edge at front, a space of tliree-fourths of an inch 

 must be omitted, counting 3^ inches from center seam each way. 

 This to permit "key bar" to pass through in locking ribs of inside 

 frame. 



Now pmich two holes, three-fourths of an inch apart; the first at 

 center of space corresponding to hole provided in brass "key bar, " the 

 second on the lower side, and provide thong 10 inches long to secure 

 "key bar" to aparejo, both holes to be "up and down." 



The rear has a similar welt 1 inch wide and 14 mches long, ex- 

 tending 7 inches each way from center seam. 



Below this welt the "carrier" pieces are placed for the purpose of 

 carrying the crupper, and is arranged by taking a piece of leather 4 

 by 8 inches, of half the thickness of the welt, foldecf the narrow way, 

 slipped in exactly three-fourths of an inch, leaving the folded part out. 



The extending part of the "carrier" pieces will have three sets of 

 holes five-sixteenths of an inch in diameter, two holes at the upper end 

 and tliree-fourths of an inch apart, the first hole to be 1 inch from 

 end; two holes will be provided in similar manner at opposite end, 

 and two holes at center in similar manner; the holes to be parallel with 

 the length of "carrier" pieces. 



Thong-s for each "carrier" piece wiU be provided; and to be of 

 latigo leather, 12 inches long and five-sixteenths of an inch wide. 



From the "carriers" to the end of the aparejo there must be a welt 

 similar to that described for the front; the whole to be sewed down 

 with two seams in similar manner as described for the front. 



The collar that shapes the aparejo for the withers must be 6 inches 

 wide and 6 inches deep; that is to say, 6 inches along the front seam 

 at center and 6 inches back toward rear, shaped in this manner: 

 Three inches on each side of center stitch line of the aparejo, run 

 back 4 inches parallel with center stitch Hue, then run 2 inches toward 

 center stitch line, then back 2 inches parallel with center stitch hne, 

 then up to center stitch line. 



The center seam, like center of collar, must positively be in the 

 center of the aparejo and exactly straight across the body. 



It is understood the coUar is placed on the front as indicated by 

 the front facing of the aparejo, and, like center seam, is sewed to back 

 and body pieces. 



Now punch two holes, one on each side of the center stitch Hne and 

 to be three-fourths of an inch apart at front and rear, spaced equally 

 distant from center stitch line. These holes to be provided between 

 the two outward seams with thong 10 inches long for lacing, to secure 

 aparejo cover to aparejo. 



If using wiUow or other sticks, cut two slits 2 inches long, one on each 

 side of center stitch line, running downward from center stitch Hne, 

 slits to be in center of aparejo. In cutting sHts be careful not to cut 

 through center stitch line. 



In the case of mountain batteries and machine gun troops, provide 

 a chock plate and staple, to be placed at the center of the front and 

 rear end of the aparejo. These to be positioned so as to correspond 

 with sHts of frame that carry the gun (parts) and ammunition. 



