REPORTS ON THE STATE OF SCIENCE. —1918. 
Guillery Apparatus. 
TasLe VII. 
Test-piece 10 x 10 x 60. Area at notch °75 sq. cm. 
32 
Energy of rupture 
Mark 
K.G.M. KG.M. 
| sq. cm. 
K. 
3198 Bl 7 93 
3198 B9 1-2 1-59 
3198 B17 15 1-99 
3198 B24 11 1-46 
2300 Bl 16 213 
2300 3B7 1:9 2°53 
2300 Bl4 2:1 2°80 
2300 B21 =e — 
1324 Al 1:2 1-59 
1324 A7 1-2 1:59 
1324 Al4 14 1:86 
1324 A20 23 3:05 
3184 B2 16 2:13 
3184 B9 16 2°14 
3184 B15 2:2 2-93 
3184 B26 11 1-47 
Gun Steel 2 8-9 11-66 
2” » 4 9-2 9-11 
ees GO 6°6 8°64 
R31 4 8-1 10°8 
R31 5 79 10°53 
R31 6 8-1 10:8 
5960 4 8-1 10°8 
5960 5 8:2 10:93 
5960 6 13:2 17°6 
Rll 2 6-4 8:54 
Rll 3 6:3 8-40 
Rll 8 6:5 8°67 
R19 1 45 6:00 
R19 4 4:4 5°87 
R19 5 4-4 5°87 
Angle of 
rupture 
: 
oawnoc © ooo | woecoeco 
bl A 
2888888 
3 
8 8888 
Hard- 
ness 
173 
194 
205 
175 
€ 
| . 
“ 
Remarks 
Fracture : Coarse 
crystalline, traces 
of fine crystals 
at compression 
edge. 
{ Very rough and 
jagged fract. 
Minutely fine 
crystals. 
crystals, 
minutely fine at 
edges. 
Minutely 
{oe 
crystals, 
sminiteles fine 
at edges. 
Minutely 
crystalline. 
fine 
fine 
