XXVIII. 
W. H. WARREN. 
The following shows a similar test sheet made to determine the 
iar of swelling of the test piece (refoulement) and the 
esistance to nore a in ingot iron of the same quality as in 
the foregoing test 
Test piece 20 mm. in length and 20 mm. in diameter. 
® Differences 
S88 aA a ae i 2 
aga aa SE g ag 5 Ee Remarks. 
Gee Ssuihes| So | = |e 
BSc ladslsos| aa | 4 | as 
ene Gas 314 20 20:2 
5000 20:2 
O71 | 0-05 
6000 20:3 
0:0 | 0:00 
7000 | crtteretiouiemat|  20°3 
1-2 | 1:20) 
7500 21°5 _ Commencement of 
4:8 4:80, bulging. 
8000 26:3 ¢ =23'1 k. per mm? 
3-7 | 3-70) 
8500 30:0 
3°4 | 3-40 
9000 33-4 
72 | 36 
10000 40°6 —— to com- 
7:0 | 4:00 press 
11000 47-6 B=39 8 + per mm? 
7:2 | 4:90) 
12000 54:8 | 
4:0 | 5-10 
hange of state 58°8 
ice 4-9 | 5:30, 
63°7 - | Shortening or com- 
10:2 | 6:00. abiguens for 39°8 k. 
‘ 10-6 | 6-40: wre 6 96 mm. or 
84:5 : A\=4:87 
12:0 | 6:10 
96°5 
12:8 | 6°50 
109-3 
12-2 | 6-80 
121-5 
13-0 
1345 
136 
ocean | 148-1 
