PURINGTON.] 
HYDRAULIC MINING. 
135 
Table 10. — Water required, effective ivork, sizes, volumes, and heads of water, weights and 
prices of double-jointed hydraulic giants. 
[Prices include two nozzles to each machine and are subjecl to discount.] 
s 
'So 
© 
P 
<y 
B 
ft 
'S, 
*o 
o> 
8 
a 
- 
3 
si 
t-i o> 
ft 
w3 
"n 
N 
o 
a 
o 
N 
GO 
0) 
ft 
O 
© 
o 
0) 
W 
© 
O) 
03 
2 
bo 
'3 
/. 
2 
to 
"8 
bo 
'Eh 
ft 
List price, 
L904. 
Volumes of water necessary for 
effective work. 
2 be 
7*0; 
o^ 2 
S 
c 
o d 
3 & 
o 
In. 
/». 
In. 
F,<t. 
[ 100 
Miner's inches. 
1-inch nozzle. 
20 
Miner's inches. 
lj-irich nozzle. 
45 
/As-. 
!.!>*. 

5 
2^ 
l,li 
150 
[ 200 
r 100 
25 
30 
2-inch nozzle. 
80 
55 
65 
3-inch nozzle. 
185 
100 
330 
$100 
$85 
1 
7 
4 
2,3 
200 
300 
. 400 
r 100 
115 
L40 
160 
3-inch nozzle. 
185 
260 
320 
365 
4-inch nozzle. 
325 
120 
390 
140 
1 25 
2 
9 
5 
3,4 
200 
300 
. 400 
r 100 
260 
320 
365 
3-inch nozzle. 
185 
460 
565 
650 
4-inch nozzle. 
325 
150 
520 
195 
175 
3 
11 
6 
3,4 
200 
300 
400 
r 100 
260 
320 
365 
4-inch nozzle. 
325 
460 
565 
650 
6-inch nozzle. 
730 
210 
890 
250 
225 
4 
11 
7 
4,6 
200 
300 
. 400 
460 
565 
650 
1,000 
1,270 
1,460 
225 
1, 075 
275 
250 
About 70 giants of several different makes were in operation in the 
territory visited during the summer, of which 58 per cent were of 
size No. 2, using commonly a 3-inch nozzle. In the Juneau and All in 
districts size No. 4, using 4- and 6-inch nozzle, is used as a rule, while 
in the interior and Seward Peninsula the sizes 0, 1, and 2, using from 
2- to 4-inch nozzle, are preferable. The double-jointed, ball-bearing 
giant is the favorite type. Deflectors are not commonly used with 
