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Washburn A Mill explosion (5/2/1878), caused by a build up of airborne flour dust and an unfamiliar spark. Killed 18 workers immediately and an further 4 because of to the subsequent fireplace. – wonderful

Washburn “A” Mill explosion (5/2/1878), caused by a build up of airborne flour dust and an unknown spark. Killed 18 workers instantly and an additional 4 due to the subsequent fire.

Washburn  A  Mill explosion (5/2/1878), prompted by a build up of airborne flour dust and an unknown spark. Killed 18 personnel instantaneously and an supplemental 4 because of to the subsequent hearth. – marvelous