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The good old days and a Boiler Explosion
From November 21, 1929.
Here's the link to the photo at a favorite website of mine, shorpy.com, Click on the picture for a very high res photo.
And an article in the Dunkirk (!) Evening Observer about it. Expand the image and the article is near the bottom of the fourth column.
Which provides a reminder of the benefit of modern controls and also what evening newspapers were for.