PROFESSOR OSBORNE REYNOLDS AND MR, J. IT. SMITH ON A 
o 
cj 
88 
T a ble III. — continued, 
Set E. 
Annealed Mild Steel. 
Oscillatory weight, 37'50 lbs. Diameter of Specimens, Oil inch to ‘249 inch. 
Number. 
Revolutions per 
minute. 
Maximum 
stress. 
Minimum 
stress. 
Range of 
stress. 
Reversals for 
rupture. 
54 
1832 
18-35 
16-15 
34-50 
•o 
55 
1776 
17-44 
15-33 
32-77 
2,900 
5G 
] 689 
16-04 
14-05 
30-09 
13,900 
57 
1645 
14-82 
12-92 
27-74 
20,100 
58 
1587 
13-81 
11-98 
25 ■ 79 
39,600 
59 
1583 
13-78 
11-95 
25-73 
21,400 
GO 
1544 
13-16 
11 • 38 
24-54 
46,600 
G1 
1499 
12-45 
10-74 
23-19 
112,400 
62 
1475 
11 • 63 
10-02 
21-65 
298,200 
63 
1441 
11-03 
9 • 46 
20-49 
650,100 
Set F. 
Annealed Mild Steel. 
Oscillatory weight, 43'77 lbs. Diameter of Specimens, 038 inch to 049 inch. 
64 
1617 
17-63 
15-37 
33-00 
16,140 
65 
1539 
15-12 
13-10 
28-22 
17,440 
66 
1491 
14-05 
12-10 
26-15 
20,150 
67 
1501 
13-99 
12-09 
26-08 
45,200 
68 
1449 
13-26 
11-42 
24-68 
54,400 
69 
1401 
12-50 
10-69 
23-19 
96,600 
70 
1402 
12-31 
10-52 
22-83 
273,100 
71 
1372 
11 • 98 
10-21 
22-19 
348,400 
72 
1345 
11 • 43 
9-73 
21-16 
679,000 
73 
1316 
11-74 
9-08 
19-82 
542,000 
Unannealed Mild Steel. 
Diameter of Specimens, 038 inch to 050 inch. 
74 
1660 
17-28 
15-10 
32 • 38 
43,000 
75 
1550 
14-45 
12-48 
26 • 93 
73,600 
76 
1494 
14-44 
12-44 
26-88 
67,200 
77 
1462 
13-94 
12-00 
25 • 94 
60,600 
78 
1356 
12-57 
10-70 
23-27 
199,400 
79 
1398 
12-28 
10-51 
22-79 
106,800 
80 
1399 
12-17 
10-41 
22-58 
233,200 
81 
1326 
11-86 
10-07 
21-93 
448,000 
82 
1305 
11-41 
9-64 
21-05 
1,141,000 
These results are probably not so regular as they might have been with specimens 
all cut from one bar. Die second column of Table III. gives the speed at which the 
machine was run during the test; the reversals are given in the sixth column. The 
latter were determined from the mean speed, found from the readings of the revolution 
