Same time frame, we had kids would flush a cherry bomb from the boy’s bathroom on the third floor.Back in the 60s in high school we had a math teacher that went to the bathroom at the same time every time and he would use the Corner stall well we would come in there and take a cherry bomb wait until he got good started and then roll at Cherry bomb under a stall he had no problems pooping.
Once, one didn’t go down, turned the bowl into porcelain shrapnel.
Another time, one went off and blew out a portion of the old cast iron sewer pipe and part of the wall in the bathroom below.
When they started questioning, we were all like….



