HICKORY RIBS 47 



HICKORY RIBS 



To be of sound second growth straight-grained 

 hickory, free of knots or other blemishes; 23 inches 

 long, 1 inch wide, and three-eighths of an inch thick 

 for 60-inch aparejos; 24 inches long for 62-inch apare- 

 jos, and 22 inches long for 58-inch aparejos. 



In a half set of nine ribs, the third has a taper of 

 8 inches at its upper end, thickness at end to be three- 

 sixteenths of an inch; for the fourth, fifth, sixth, seventh, 

 eighth, and ninth, successively, a gain of 2 inches in the 

 taper is provided. 



On one side at bottom and 2 inches therefrom, 

 numerals indicating the size of the aparejo, with num- 

 ber of rib, will be stamped thereon, a hyphen or dash 

 to be used in separating the number of ribs from the 

 number of aparejo. 



In numbering the set of nine ribs, commence with 

 the two that are not tapered; these to be numbered 

 1 and 2 each. 



Two half sets of nine ribs each comprise a complete 

 set for one aparejo. 



In lots of 50 sets, 25 to be 23 inches long; 13 to 

 be 24 inches long, and 12 to be 22 inches long, 

 respectively. 



HAY 



Hay to be free of joints, or what is known as 

 "swamp" hay; that is, fine, soft, elastic hay, and for 

 each aparejo 6 pounds will be considered sufficient. 



