12 
BULLETIN 86, U. S. DEPARTMENT OF AGRICULTURE. 
Table 6. — Individual tests — Internal pressure — Continued. 
1-INCH BARRELS— Continued. 
No. of 
barrel. 
Num- 
ber of 
hoops. 
Rate of leakage. 
Remarks. 
23a 
24a 
Lbs. per,Dropsper 
sq.inch. minute 
20 
84 
ISO 
36 
Lbs. per 
minute. 
Seepage through pores; leak at joints of head. 
Head bulged flush, with chime. 
Leak between staves at bilge. 
Test discontinued. 
Leak between staves at chime. 
Seepage through pores. 
Leak between staves at quarter. 
Head bulged flush with chime. 
Leak at joints of head; leak between staves at 
bilge. 
Head breaking. 
Head broke out. 
Table 7. — Individual tests — Made-up barrels. 
INTERNAL-PRESSURE TESTS. 
No. of 
barrel. 
Num- i -n 
Rate of leakage. 
Remarks. 
8 
8 
Lbs. per 
sq. in. 
4 
10 
14 
16 
22 
26 
32 
34 
4 
6 
12 
18 
24 
26 to 36 
38 
Drops per 
minute. 
Lbs. per 
minute. 
Leak through defective joint in head. 
Leak at defective joint ceasing. 
Head bulged flush with chime. 
Head split at joint. 
Seepage through pores. 
Leak at chime. 
Head bulged flush with chime. 
Leaking in broken stream. 
Head forced out. 
115 
55 
56 
55 
130 
6 
130 
ISO 

DROP TESTS. 
No. of 
barrel. 
Num- 
ber of 
hoops. 
Height 
ofdrop. 
Rate of 
leakage. 
Remarks. 
SIDE DROP. 
8 
Inches. 
12 
18 
21 
33 
Lbs. per 
minute. 
Leak at chime; stave slips. 
Stave cracked. 
Hoop slips. 
Two broken staves. 
21.0 
DIAGONAL DEOP. 
8 
9 
12 
18 
Leak at chime. 
Stave slips. 
Head failing. 
Head broke out. 
21 
7.7 
