I guess metal shrapnel in the eye was a common enough event in the 1930′s to justify building and marketing this monstrosity? According to Modern Mechanix (feed added!), this article below comes from the Modern Mechanics and Inventions magazine dated 1932.

It’s a good thing they didn’t have meth addicts back in the day or all that copper would be as good as gone.

[Found via Boing Boing]

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