XII.] 
BRITISH OAK. 
75 
Premium prices were until lately paid for logs suit¬ 
able for the stems and stern-posts, and also for logs 
having compass form suitable for the frames of ships 
(Figs. 18 and 19) ; but this is no longer necessary, as the 
supply is fully equal to the demand for these particular 
services. 
It is, of course, understood that the wants of the 
private trade are as well met as those of the royal navy, 
nothing being required by the navy specification other 
than is afforded by the ordinary growth of the tree. 
Thick-stuff and plank is supplied to the navy 
according to the following specification :— 
To be mea- 
Thick- 
Shortest 
length. 
T 0 average 
in length 
Breadth 
between the 
sured as far 
as it holds 
Remarks. 
at least 
sap at 24 ft. 
between the 
sap. 
Inches. 
Feet. 
Feet. 
Inches. 
Inches. 
IO 
\ 
II 
8 
9 
11 
11 
8 
11 
Thick stuff, 4% in. 
7 
9 
7 
and upwards, is 
6 
' 24 
5 1 
11 
measured in cubic 
feet. 
5 
aA 
28 
1 1 
1 1 
11 
A 
VA 
8 
1 1 
6 
11 
Plank, 4 to 2 in. 
inclusive, is mea- 
3 
) 
7 * 
sured in superficial 
2 A 
1 20 
feet of its thick- 
2 
1 
/ 
1 1 
11 
ness. 
* At 20 feet. 
All the thick-stuff and plank to be cut straight, or 
nearly so, and of parallel thickness, and to be measured 
for breadth at the middle, or half the length, taking in 
half the wanes, provided the breadth, clear of sap, is 
within two inches of the breadth at which it is to be 
received ; but no thick-stuff the breadth of which in 
