L08656.3

A description of ventilators: ... whereby great quantities of fresh air may with ease be conveyed into mines, goals, hospitals, work-houses and ships ... read before the Royal Society in May 1741

Name, initials: 
Hales, S.
Date: 
1742
Publisher: 
Printed for W. Innys, London, England
Object type: 
Article
Subject: 
537
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