Page:Timber and Timber Trees, Native and Foreign.djvu/91

CHAPTER XII.

BRITISH OAK.—CONTRACT SPECIFICATION.

The British Oak tree affords logs that meet the following specification for the navy contracts, viz.:—

Timber sided ; or if rough, that will side—

20.0	inches	and upwards,			the shortest length being	26	feet.
20½	inches„	to	19	inches,	the shortest„ length being„	24	feet„
18½	inches„	to„	17	inches,„	the shortest„ length being„	20	feet„
16½	inches„	to„	15	inches,„	the shortest„ length being„	16	feet„
14½	inches„	to„	13	inches,„	the shortest„ length being„	14	feet„
12½	inches„	to„	11	inches,„	the shortest„ length being„	12	feet„
10½	inches„	to„	9	inches,„	the shortest„ length being„	10	feet„

the quantities of each class or siding varying according to the requirements of the dockyards.

For the rough timber (Fig. 16, a and b ) it is generally agreed that the price is to be, for each log measuring—

250	cub. ft.	and upwards,			rough contents, ⅌ load of 50 cub. ft. £
249	cub. ft„	to	200	cub. ft.	rough contents,„ ⅌ load of 50 cub. ft. £„
199	cub. ft„	to„	150	cub. ft„	rough contents,„ ⅌ load of 50 cub. ft. £„
149	cub. ft„	to„	100	cub. ft„	rough contents,„ ⅌ load of 50 cub. ft. £„
99	cub. ft„	to„	50	cub. ft„	rough contents,„ ⅌ load of 50 cub. ft. £„
49	cub. ft„	to„	25	cub. ft„	rough contents,„ ⅌ load of 50 cub. ft. £„
	Under 25			cub ft.„	rough contents,„ ⅌ load of 50 cub. ft. £„