LOGGING IN THE DOUGLAS FIR REGION. 
Moving blocks (Fig. 35). 
85 
No. 
Sheave. 
Pin. 
Weight. 
Net price. 
1 
2 
Inches. 
14 by 3 
16 by 3 
Inchts. 
3 
3 
Pounds. 
230 
270 
$45. 00 
49.00 
Extra parts. 
Items. 
Net price. 
No. 1. 
No. 2. 
Tool-steel shackle 
$3.60 
22.00 
3.60 
.65 
2.70 
16.65 
$3.60 
Pair steel block sides 
24.00 
Casehardened steel pin 
3.60 
Half nut with lock washer 
.65 
Bronze bushing 
2.70 
20.00 
Ya 
rding blocks (Fig. 
30). 
No. 
Sheave. 
Pin. 
Diameter. 
Weight. 
Net price. 
1 
2 
Inches. 
10 by 2i 
12 by 2J 
Inches. 
3 
Inches. 
1 
Pounds. 
110 
145 
$22. 80 
26.80 
Extra parts. 
Items. 
Net price. 
No. 1. 
No. 2. 
Tool-steel shackle 
$2.80 
7.60 
2.80 
.40 
1.80 
8.80 
$2.80 
Pair steel block sides 
7.60 
Casehardened steel pin 
9.60 
.40 
Bronze bushing . . . 
1.80 
Manganese-steel sheave, bronze bushed 
11.20 
Trip-line side or corner block 
(Fig. 23} 
. 
No. 
Size. 
Pin. 
Hub. 
Weight. 
Net price. 
1 
2 
Inches. 
9 bv 1J 
12 by 11 
Inches. 
1' 
Inches. 
3 
Pounds. 
40 
55 
$8.80 
12.00 
Extra 
parts. 
Items. 
Net price. 
No. 1. 
No. 2. 
$0.60 
4.00 
.80 
.40 
.15 
.80 
3.40 
$0.80 
Pair steel block sides . 
6.00 
1.80 
.45 
.25 
1.60 
6.40 
