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

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