44 THE WOODSMAN S HANDBOOK. 
The Spaulding Rule. 
This is the statute rule of California, adopted by an act of the 
legislature in 1878. It ts also used in Oregon, Washington, Utah, 
and Nevada. The Spaulding Rule was computed from carefully 
drawn diagrams of logs from 10 to 96 inches in diameter at the 
small end. 
The Doyle and Scribner Rule. 
This is a combination of the Scribner Rule and the Doyle Rule. 
It is used in New York, New Jersey, Pennsylvania, Virginia, Ten- 
nessee, Kentucky, Alabama, Louisiana, Arkansas, Mississippi, Mis- 
souri, Indiana, Illinois, Michigan, Ohio, Iowa, Wisconsin, Montana, 
Idaho, South Dakota, and probably elsewhere. It has been adopted 
as the official scale of the National Hardwood Lumber Association. 
The values for diameters under 28 inches are taken from the Doyle 
Rule; those for 28 inches and over from the Scribner Rule. 
The Maine Rule. 
This is also known as the Holland Rule, and as Fabian’s Rule. 
Its use is restricted to northern New England, and chiefly to 
Maine, where it has long been the principal log scale. 
The Maine Rule was prepared from diagrams representing the 
small ends of logs of all diameters from 6 to 48 inches. The 
inscribed square of the logs was first determined, and the contents 
‘ef the logs were then computed by allowing 1 inch for each board 
and one-fourth of an inch between the boards for saw kerf. The 
boards outside the square were reckoned, if not less than 6 inches 
in width; otherwise the whole slab was discarded. In practice 
logs over 32 feet long are reckoned as two logs, the scaier measur- 
ing the diameter of the uppermost at the small end, and estimat- 
ing the diameter of the small end of the-lower log. 
The New Hampshire Rule. 
By an act of the legislature in 1866 this rule became the legal scale 
for the State of New Hampshire. It is used also in certain parts 
of Maine and Vermont. It is based upon an imaginary cubic foot 

