188 
1,895. 
497|broke |broke 
. Ultimate deflection 
Broke one inch from 
the centre. 
INQUIRY INTO THE STRENGTH AND 
No. III. 
ENGLISH IRONS. 
Butterley, —, Pig Iron, 
vl ae mate deflection 
Broke, : of an inch from 
the centre. 434lbs. were 
hung from the bar for 14 
hours, when the deflee- 
tion was found to be 
1.630, and the defect of 
elasticity .292. 
“Broke 2 of 
from the centre. 
. Ultimate deflection 
—.493. 
, Derbyshire. 
re ade Ist. ee ip E: eee 3rd. Vad oh ap Ath. 
epth of Bar,..,... 1.000|/Depth of Bar.. .991||Depth of Bar.,...-1.015|/Depth of Bar..., 1.014 
‘Breadth do... .989|| Breadth do.. .988||Breadth do......- .993||Breadth do.. 98 
pire between. Distance betw een Distance betw: een Distance betw: een 
2 pe alesse 4ft. 6in.|| Supports... ..4ft. Gin.|} | supports..... 2ft. din. supports ..., 2ft. 3in. 
Weir: t of Bar 5ft. long,|] Weight of Bar 5ft. long, 
14Ib. 1302. 1431bs 
= | a (eeul 2 | ee (Eel 2 lee 2-2] 2 | es Be? 
= | Ba (828) 5 | Se (8B5l] 2 | 88 (S25) £ ] 22 lees 
@ | 38 [378] & | oe |g-8] @ | 8a [scl & | Bs lens 
Biss. fs Br ie bl TL OS ie ON 2 © 
28] .067) .000]} 28] .070} .000]) 112} .033|——|] 112] .034,— 
56} .130}] .002]} 56} .140} .002|} 224) .o70) + 224) .O73) + 
126) .331] .015]| 126} .339] .016|| 336} 108] .003 | 336] .115} .00 
+ + | + |] 182] .515} .037]|| 448} 151] .006 |] 448} 160} .007 
182} .504) .040/| 238] .710} .063]| 560} .195|.009 |} 560} .210} .031 
= ae || S5 +] + + || 672] .246|.015 || 672} .263} .018 
238) .695) .065]} 294; .921] .099]) 784! .300].026 || 784) .320} .026 
294) .903] .100]} 350/1.155! .147]|| 896] 362] .038 |} 896} 890} .043 
350/1.130] .14:7|| 4.06}1.420) .203||1008] .442] .064 |/1008|broke|broke . 
406]1.385} .203]) 434/1.580| .253]/1092|broke|broke 
462}1.685] .295]| 4.62|broke |broke 
4.90/1.855] .340 
a ldngate deflection 
an inch ake in the centre 
