Issue 5 and Volume 1881 8.

FIRES IN FLOUR MILLS. Fully 25 per cent of the flour mill fires occurring in the United States in the past five years are directly traceable to friction of the machinery. In nearly 50 per cent of the fires the cause is unknown. Some few of these latter may be charged to the account of spontaneous ignition of oily waste, fermenting bran, and such articles; some others to incendiarism, and others still to dust fires; but in our estimation a very large per cent of those fires whose causes are not ascertainable can also be referred to friction. It has been proven repeatedly that fires from friction in the machinery may break out after the machinery has stopped running. Every one must have noticed how many fires break out shortly after the mill has shut down. Probably every one of such fires is due to friction ; and fires from…

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