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The Isolator

By Ben on Thu Oct 13 2011
The Isolator
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The “Isolator” is designed to help focus the mind when reading or writing, by rendering the wearer deaf, piping them full of oxygen, not only by eliminating all outside noise, but also by allowing just one line of text to be seen at a time through a horizontal slit.
These images are from the July, 1925 issue of the long-defunct magazine “Science and Invention”, the Isolator was invented by Hugo Gernsback, who later became famous as a pioneer in the field of science fiction.

Via laughingsquid, greatdisorder