56 THE WOODSMAN’S HANDBOOK. =] 
long the contents of half the log are computed by the diameter at 
the small end. The other half is considered to have a diameter 1 4 
inch larger. | 
The Quebec Rule. : 
é 
The rule has been adopted in official work in the Province of 
Quebec. It differs materially from the other Canadian rules, as 
will be seen from the comparison table. 
The New Brunswick Rule. 
This has been adopted by the Province of New Brunswick as the 
official rule to be used in cases of dispute. The part of the rule for | 
logs under 18 inches in diameter is like the Vermont Rule. The | 
figures for logs 18 inches in diameter and over are similar to those | 
given in the Maine Rule. 
STANDARD MEASURE. 
The unit of standard measure is the merchantable contents of a 
log of a fixed diameter and length agreed upon as the standard log. - 
The contents of logs of other diameters and lengths are deter- 
mined by reference to, and in terms of, the standard log. 
The Nineteen Inch Standard Rule. 
a | drat @ 
- The unit of the Nineteen Inch Standard, or, as it is often called, 
the Market, is a log 13 feet long and 19 inches in diameter inside 
the bark at the small end. The contents of 13-foot logs of other 
diameters are determined by squaring the diameter and dividing 
by the square of 19. This is based on the principle that the con- 
tents of logs vary as the square of their diameters. Mathematical 
accuracy would require the use of the average diameters of logs 
instead of their diameters at the small end. One 19-inch standard 
is equivalent to 195 feet board measure (Scribner Rule). Most 
lumbermen assign to this standard the round sum of 200 board © } 
feet, which makes 5 standards equivalent to 1,000 board feet. Itis 
customary to consider 2.92 standards equivalent to 1 cord. 
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