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When fire extinguishers were glass grenades
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Handling a minor blaze in the early 1900s involved an incredibly dramatic tossing motion. Instead of a pressurized red cylinder, households kept small glass spheres filled with flame-retardant liquids on their shelves. If a fire broke out, you were supposed to aggressively hurl the delicate glass directly into the flames like an absolute maniac, hoping the smashing liquid would smother the problem.
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