The frequent repair had reduced the strength until unequal to bear the ordinary pressure. See [No. 59].
No.45. Greatbridge. ([Fig. 34.])
October 18th.
2 killed, 2 injured.
Fig. 34.
One of eight, 15 years old. Plain Cylinder, 40ft. long, 6ft. diameter, ½ inch plates. The boiler had originally carried 60 lbs., but lately only 40 lbs. The boiler had been worked very hard, and had been so often repaired, that many of the seams were continuous for a long distance without break of joint, so that its strength was reduced until unable to bear the ordinary pressure.
The treacherousness and uncertainty of boilers with one patch over another has often been pointed out, as in [No. 3], [No. 4], [No. 10], and [No. 32].
No.46. Acorington. ([Fig. 35.])
October 19th.