No.21. Birmingham. ([Fig. 11.])
May 9th.
2 injured.
Fig. 11.
Plain Cylinder, 3ft. 2in. long, 1ft. 8in. diameter, plates 5/16 inch, pressure 30 lbs. Workmanship and material very inferior. Piece of top ripped out from manhole and allowed manlid to blow out through manhole. The cause of the explosion was, the large manhole and over-pressure. The safety valve was too small, and very roughly made.
No.22. Hartlepool. ([Fig. 12.])
May 10th.
1 killed, 1 injured.