CHAPTER XII. 
BRITISH OAK.—CONTRACT SPECIFICATION. 
THE British Oak tree affords logs that meet the follow- 
ing specification for the navy contracts, viz. :— 
Timber sided ; or if rough, that will side— 
20 inches and upwards, the shortest length being 26 feet. 
20% ,, to 19 inches, 
18% 99 i 17 ted 
16% as oF 15 ” 
14% ” ” 13 ” 
12% ” oF Il td 
10%» » 9 » 
” 
a7 
24 
20 
16 
14 
12 
Io 
” 
the quantities of each class or siding varying according 
to the requirements of the dockyards. 
For the rough timber (Fig. 16, a and 4) it is generally 
agreed that the price is to be, for each log measur- 
250 cub. ft. and upwards, rough contents, # load of 50 cub. ft. £ 
ing— 
249» 
199 
149 ted 
99» 
49 2? 
to 200 cub. 
2? 150 Led 
”? 100 ” 
” 50 ” 
Led 25 a | 
Under 25 ,, 
ft. 
