49 THE WOODSMAN’S HANDBOOK. 
Doyle Rule—Continued. 
DIAMETER IN INCHES, 








| 
8 EBS =: 364 | 392 20 450 480 
9|/  380| 410] 441| 473] 506| 540 
10; 422| 456] 490| 526] 562| 601 
11| 465] 502| 539| 578| 619| 661 
i2| 507| 547| 588| 631.1 675| 721 | 
13 | p49 | spo2} 687°] cena > eae yee 
14] 501} 638) 686} 736| 787| S41 
15| 633| 683| 735| 789| 844| 901) 
16| 676} 729| 784} 841] 900| 961 
17| 718| 774| 833 | 394 | 956 “1,021 
i8| 761! 820| 882| 946 | 1,012 | 1,081 | 
19| 803 | 865} 931 | 999 |-1,069 | 1,141 | 
20 | 845, 912! 980, 1,051 | 1,125 foes 
21 |- 887| 957 | 1,029 | 1,104 | 1,181 | 1, 261 | 
22} 930 | 1,004 | 1,078 | 1,156 | 1,237 | 1,322 | 
23] 972 | 1,049 | 1,127 | 1,209 | 1,298 | 1,381 | 
24 | 1,014 | 1,094 | 1,176 | 1,262 | 1, 350 | 1, 442 | 
25 | 1,056 1,139 | 1,225 | 1,314 | 1,406 | 1,501 | 
26 | 1,098 | 1,184 | 1,274 | 1,367 | 1,462 | 1,562 
27 | 1,140 | 1,230 | 1,323 | 1,420 | 1,518 | 1,622 
98 | 1,182 | 1,276 | 1,372 | 1,472 | 1,575 | 1, 682 
29 | 1,224 | 1,321 | 1,421 | 1,524 | 1,631 | 1,742 
30 | 1,266 | 1,366 | 1,470 | 1,577 | 1,687 | 1,802 
31 | 1,309 | 1,412 | 1,519 | 1,629 | 1,743 | 1, 862 
32 1,352 | 1,458 | 1,568 1,682 | 1,800 1,922 
33 | 1,394 | 1,503 | 1,617 | 1,735 | 1,856 | 1,982 
34 | 1,436 | 1,548 | 1,666 | 1,787 | 1,912 | 2 042 
35 | 1,479 | 1,594 | 1,715 | 1,840 | 1,968 | 2, 102 
36 | 1.522 | 1,640 | 1,764 | 1,892 | 2,025 | 2,162 
37 | 1,563 | 1,686 | 1,813 | 1,945 | 2,081 | 2 292 | 
38 | 1,606 | 1,731.| 1,862 1,998 | 2,138 | 2, 282 
39 1,648 | 1,778 | 1.911 2,050 2. 194 | 2, 342 
40 1.690 | 1,822 | 1.960 2.102 2.250 | 2) 402 

