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Page 1 of photos from an antique boiler explosion that happened on July 29, 2001, in Medina, Ohio.

Boiler explosion
1. Crown sheet thickness 0.170"
Boiler explosion
2. Crown sheet thickness 0.173" above couplet welded stay because thinning of plate
Boiler explosion
3. Crown sheet two (2) readings of 0.210" welded stay because of thinning
Boiler explosion
4. Crown sheet thickness of 0.105"
Boiler explosion
5. Crown sheet two (2) welded stays
Boiler explosion
6. Crown sheet one (1) welded stay threads of or less than two (2) thread engagement
Boiler explosion
7. Crown sheet waterside heavy erosion on seam. One (1) thread engagement in sheet