144 A MANUAL FOR NORTHERN WOODSMEN 
TABLE II. PRODUCT IN INCH BOARDS OF LOGS OF DIF¬ 
FERENT LENGTHS AS SAWED IN BAND MILL NO. 1 
Shows how in careful practice yield increases relative to 
scale as the logs are longer. 
Top 
Lengths in Feet 
Diam. 
8 
10 
12 
14 
16 
18 
20 
22 
24 
6 in. 
13 
17 
22 
26 
30 
34 
39 
44 
50 
8 in. 
25 
32 
39 
46 
53 
60 
68 
76 
84 
10 in. 
39 
49 
59 
70 
81 
91 
101 
113 
124 
12 in. 
54 
68 
83 
97 
112 
126 
141 
156 
172 
14 in. 
73 
92 
111 
130 
149 
170 
190 
211 
232 
16 in. 
05 
120 
145 
170 
196 
223 
250 
278 
306 
TABLE III. PRODUCT OF MILLS WHEN SAWING DIMEN¬ 
SION STOCK, MOSTLY 2 AND 3 INCH PLANK 
Overrun is the percentage by which the product ex¬ 
ceeds the scale of the logs as given by the Maine log rule. 
Band Mill No. 1 
Rotary 
Lengths 
Average 
Top 
Diam. 
Over¬ 
run 
Lengths 
Average 
Top 
Diam. 
Over¬ 
run 
16 ft. and under 
10 in. 
24% 
16 ft. and under 
10 in. 
0% 
17-20 ft. 
10 in. 
23 % 
17-20 ft. 
10J in. 
6% 
21-24 ft. 
8£ in. 
37 % 
21-24 ft. 
12 in. 
25-28 ft. 
9£ in. 
15% 
6. New Brunswick Rule. This is the legal rule for scal¬ 
ing lumber cut on the crown lands of New Brunswick, and 
is generally employed for log measurement in that province. 
Its values are somewhat below those of the Maine rule. 
When logs of a smaller top diameter than 11 inches are 
to be scaled, it is done under the following rule: A 7-inch 
