They put it in print… A life-preserving mattress?

March 28, 2016 by  
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It is always interesting to peruse back issues of “Scientific American” as some inventions of the 1800’s were more comical than practical. Note the “Life-Preserving Mattress” invented by a man from Springfield Massachusetts, as reported in the March 6, 1875 issue.Blog-3-28-2016-Life-Jacket-Mattress

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