46 LETTERS TO YOUNG SHOOTERS LETTER 



their less area, they should not then contain more 

 than four hens and one cock. If you do not mind 

 additional expense, you can use square-edged posts 

 and lathes of oak, which will last a lifetime ; and if 

 you wish to be particular in securing them together, 

 bolts with screw nuts (instead of cord) may be 

 employed. 



COST OF MATERIALS FOB AN AVIARY OF Six PENS, EACH 20 FT. 

 BY 20 FT. (CASH PRICES) 



WOODWORK 



*. a. 



(A) 39 larch posts, 12 ft. long by 5 in. diameter . . 3 10 



(B) 38 redwood rails, 11 ft. long by 2 in. square . . 1 18 



(C) 28 rails, 11 ft. long by 2 in. by 1 in. . . 14 



(D) 12 rails of 6ft. and 24 short pieces of 



2 ft. 6 in. each, substance 3 in. by 1 in. (for 

 framework of the doors) 10 



WIRE, ETC. 



(E) 300 ft. vermin proof, f -in. mesh, wire netting, 2 ft. 



6 in. wide, 19 gauge 1160 



(F) 300 ft. wire netting, 6 ft. wide, 2-in. mesh, 17 



gauge 216 



(G) 200ft. wire netting, 4 ft. wide, 2-in. mesh, 17 



gauge 18 8 



(H) 570ft. i in. thick, twisted straining wire . .130 

 (K) 400 ft. wire netting, 4 ft. wide, 3-in. mesh, 18 



gauge 12 6 



19 Ib. of thin tying wire, for lacing . . .070 

 400 f-in. staples for the netting, and 70 l|-in. ones for 



the straining wire 020 



800 ft. of tarred cord 040 



Tarred felt, 2 ft. 6 in. wide by 15 ft. long . . .076 



Cost of erection 3 10 



Total . 17 14 ~2 



If bolts with screw nuts are used for joining the woodwork 

 throughout, 1Z. 5s. extra will be their cost, but then these are in- 



