408 
SEVENTH REPORT—1837. 
Results reduced to those of bars 1:00 inch square, and 2 feet 
3 inches between the supports. 
Experiment Ist, No. 2 iron 
Experiment 2nd, No 
Experiment 3rd, No. 
Experiment 4th, No. 
Experiment 5th, No. 
No. 2 Iron. 
Experiment 1. 
Depth of bar, 1:056 | 
Breadth of do. 1:004 
Distance between 
supports 2 ft. 5 in. | 
Weight in lbs. 
Deflection in 
inches. 
Permanent set. 
112/030} .. 
224|-069} + 
336}'108 |-008 | .. 
448}-150] ... 
560}-199 |-018 
O72)25 1]. .6 lao 
784/314 |039 | ... 
896\broke| ,.. - 
.. Ultimate deflec-| 
tion =*366.—This: 
bar was broken 
Temp. Fahr. 
. {16° 
.. || 2241-075 
| 336|-120 
... |448}-166 
... |560}-220 
during intense 
frost. 
» Ds chee 
je sence 
o 
5 | Specific | Modulus | Breaking | Ultimate pd 
= | gravit of weight | deflection : 
o | 8 y ae 5 power of 
= elasticity.| (0). (42). | resisting 
fs impact. 
-+|26°} 6955 {12994400} 851 ‘All 349°8 
sVASCs) iendons 12603700) 897 “4967 | 445-6 
6955 12799050) 874 4538 | 397-7 
-| 82°] 6-955 13506700) 940-7 | °383 360°3 
aebBOalle- ducers 15148200) 958-5 422 4045 
|... | 6955 |14827450} 949°6 | -402 382-4 
TABLE XVI. 
14168000 
812-9 
Coed-Talon, Hot Blast. 
No. 2 Iron. 
Experiment 2. 
Depth of bar, 1:030 
Breadth of do. 1:010 
Distance between 
supports 2 ft. 3 in. 
Weight in lbs. 
Deflection in 
inches. 
Permanent set. 
| Temp. Fahr. 
112)-035 
. = 
: OS 
[e) 
ai 
‘008 |... 
020}... 
672|-292| ... | oo» 
784)-351 |'045 |... 
882jbroke| .., |.. 
.. Ultimate deflec- 
tion= 402. 
Broken in the 
open air. } 
No. 2 Iron. 
Experiment 2. 
Depth of bar, 1°033 
No. 2 Iron. 
Experiment 4. 
Depth of bar, 1020) 
336 
273-1 
No. 2 Iron. 
Experiment 5. 
Depth of bar, 1:006 
Breadth of do. 1:012 || Breadth of do. 1:010!' Breadth of do. 1:009| — 
Distance between Distance between ||Distance between 
supports 2 ft.3in. || supports 2 ft.3in. || supports 2 ft. 3 in. 
ais o| si} 2]. r} : || 2] 8 ole 
Bag] 21a Shee bie el al eee 
£/8¢/ 8/5) 5/.88) 8 /a| 8] 8] 8/6 
2/88) s+ 2) 83) 2] el Si es) | ¢ 
‘oo le&| § |] Ss] elas | § |] €] les! s/s 
vo Lv a oD o Qo >} Oo a ov a oO 
5s |A 7a ee | A PFE oe |= A a, |e 
112) -036 | + |82°)|112) 036 32°!/112| -037 | ... |85° 
224/-075 | 006)... ||224| 074 | + |... ||224)-077 | + |... 
336|°114 |:010} ... |/836) 114 |-005 | ..- |/336}-123 |-007 |... 
448-155 |-016) ... |/448) -154 |-009 448/170 }|-013) ... 
560) -203 | -022) ... ||560) -202 |-014 560) +223 |-022) .. 
672} -246 | :031) ... ||672) +252 |-024 | ... ||672| 277 |031| ... 
784} -304 | -041) ... ||784) 312 |-039 |... 1784) 348 |-051 |84° 
896) -363 | -054)... |/896) 381 |-060 | --- |/896)(-419) broke 
1008 |(-422) broke} ... | 952 |(-415)}brokel ... | 
This bar was broken || This bar wasbroken 
when buried in when buried in Broken in water. 
snow. snow. 
