This semi-popular work was one of the first scientific studies of sleep. It was also the first book typeset by a mechanical typesetting machine, rather than hand-set type. Digital facsimile from Google Books at this l…
This semi-popular work was one of the first scientific studies of sleep. It was also the first book typeset by a mechanical typesetting machine, rather than hand-set type. Digital facsimile from Google Books at this l…
GMN 7001 · https://historyofmedicine.com/id/9167
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