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Hugo Gernsback's 1925 Isolator Helmet Designed for Concentration

Hugo Gernsback's bizarre 1925 invention, the isolator helmet, was designed to block 95% of sound and promote total concentration among workers and inventors.

18 May, 09:30 — 18 May, 09:30
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Times of IndiaMostly Factual2h ago

The isolator helmet: How Hugo Gernsback’s bizarre 1925 invention was designed to block 95% of sound and induce total concentration amongst workers and inventors

<img border="0" hspace="10" align="left" style="margin-top:3px;margin-right:5px;" src="https://timesofindia.indiatimes.com/photo/131172162.cms" />

By TOI Science Desk

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